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@@ -52,7 +52,7 @@ enum intel_dmc_id {
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};
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struct intel_dmc {
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struct drm_i915_private *i915;
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struct intel_display *display;
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struct work_struct work;
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const char *fw_path;
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u32 max_fw_size; /* bytes */
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@@ -70,21 +70,21 @@ struct intel_dmc {
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};
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/* Note: This may be NULL. */
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static struct intel_dmc *i915_to_dmc(struct drm_i915_private *i915)
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static struct intel_dmc *display_to_dmc(struct intel_display *display)
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{
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return i915->display.dmc.dmc;
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return display->dmc.dmc;
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}
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static const char *dmc_firmware_param(struct drm_i915_private *i915)
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static const char *dmc_firmware_param(struct intel_display *display)
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{
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const char *p = i915->display.params.dmc_firmware_path;
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const char *p = display->params.dmc_firmware_path;
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return p && *p ? p : NULL;
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}
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static bool dmc_firmware_param_disabled(struct drm_i915_private *i915)
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static bool dmc_firmware_param_disabled(struct intel_display *display)
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{
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const char *p = dmc_firmware_param(i915);
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const char *p = dmc_firmware_param(display);
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/* Magic path to indicate disabled */
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return p && !strcmp(p, "/dev/null");
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@@ -162,18 +162,19 @@ MODULE_FIRMWARE(SKL_DMC_PATH);
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#define BXT_DMC_MAX_FW_SIZE 0x3000
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MODULE_FIRMWARE(BXT_DMC_PATH);
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static const char *dmc_firmware_default(struct drm_i915_private *i915, u32 *size)
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static const char *dmc_firmware_default(struct intel_display *display, u32 *size)
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{
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struct drm_i915_private *i915 = to_i915(display->drm);
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const char *fw_path = NULL;
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u32 max_fw_size = 0;
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if (DISPLAY_VER_FULL(i915) == IP_VER(20, 0)) {
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if (DISPLAY_VER_FULL(display) == IP_VER(20, 0)) {
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fw_path = XE2LPD_DMC_PATH;
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max_fw_size = XE2LPD_DMC_MAX_FW_SIZE;
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} else if (DISPLAY_VER_FULL(i915) == IP_VER(14, 1)) {
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} else if (DISPLAY_VER_FULL(display) == IP_VER(14, 1)) {
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fw_path = BMG_DMC_PATH;
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max_fw_size = XELPDP_DMC_MAX_FW_SIZE;
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} else if (DISPLAY_VER_FULL(i915) == IP_VER(14, 0)) {
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} else if (DISPLAY_VER_FULL(display) == IP_VER(14, 0)) {
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fw_path = MTL_DMC_PATH;
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max_fw_size = XELPDP_DMC_MAX_FW_SIZE;
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} else if (IS_DG2(i915)) {
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@@ -194,7 +195,7 @@ static const char *dmc_firmware_default(struct drm_i915_private *i915, u32 *size
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} else if (IS_TIGERLAKE(i915)) {
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fw_path = TGL_DMC_PATH;
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max_fw_size = DISPLAY_VER12_DMC_MAX_FW_SIZE;
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} else if (DISPLAY_VER(i915) == 11) {
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} else if (DISPLAY_VER(display) == 11) {
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fw_path = ICL_DMC_PATH;
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max_fw_size = ICL_DMC_MAX_FW_SIZE;
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} else if (IS_GEMINILAKE(i915)) {
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@@ -375,70 +376,70 @@ static bool is_valid_dmc_id(enum intel_dmc_id dmc_id)
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return dmc_id >= DMC_FW_MAIN && dmc_id < DMC_FW_MAX;
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}
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static bool has_dmc_id_fw(struct drm_i915_private *i915, enum intel_dmc_id dmc_id)
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static bool has_dmc_id_fw(struct intel_display *display, enum intel_dmc_id dmc_id)
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{
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struct intel_dmc *dmc = i915_to_dmc(i915);
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struct intel_dmc *dmc = display_to_dmc(display);
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return dmc && dmc->dmc_info[dmc_id].payload;
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}
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bool intel_dmc_has_payload(struct drm_i915_private *i915)
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bool intel_dmc_has_payload(struct intel_display *display)
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{
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return has_dmc_id_fw(i915, DMC_FW_MAIN);
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return has_dmc_id_fw(display, DMC_FW_MAIN);
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}
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static const struct stepping_info *
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intel_get_stepping_info(struct drm_i915_private *i915,
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intel_get_stepping_info(struct intel_display *display,
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struct stepping_info *si)
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{
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const char *step_name = intel_step_name(INTEL_DISPLAY_STEP(i915));
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const char *step_name = intel_step_name(INTEL_DISPLAY_STEP(display));
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si->stepping = step_name[0];
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si->substepping = step_name[1];
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return si;
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}
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static void gen9_set_dc_state_debugmask(struct drm_i915_private *i915)
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static void gen9_set_dc_state_debugmask(struct intel_display *display)
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{
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/* The below bit doesn't need to be cleared ever afterwards */
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intel_de_rmw(i915, DC_STATE_DEBUG, 0,
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intel_de_rmw(display, DC_STATE_DEBUG, 0,
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DC_STATE_DEBUG_MASK_CORES | DC_STATE_DEBUG_MASK_MEMORY_UP);
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intel_de_posting_read(i915, DC_STATE_DEBUG);
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intel_de_posting_read(display, DC_STATE_DEBUG);
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}
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static void disable_event_handler(struct drm_i915_private *i915,
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static void disable_event_handler(struct intel_display *display,
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i915_reg_t ctl_reg, i915_reg_t htp_reg)
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{
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intel_de_write(i915, ctl_reg,
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intel_de_write(display, ctl_reg,
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REG_FIELD_PREP(DMC_EVT_CTL_TYPE_MASK,
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DMC_EVT_CTL_TYPE_EDGE_0_1) |
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REG_FIELD_PREP(DMC_EVT_CTL_EVENT_ID_MASK,
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DMC_EVT_CTL_EVENT_ID_FALSE));
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intel_de_write(i915, htp_reg, 0);
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intel_de_write(display, htp_reg, 0);
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}
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static void disable_all_event_handlers(struct drm_i915_private *i915)
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static void disable_all_event_handlers(struct intel_display *display)
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{
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enum intel_dmc_id dmc_id;
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/* TODO: disable the event handlers on pre-GEN12 platforms as well */
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if (DISPLAY_VER(i915) < 12)
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if (DISPLAY_VER(display) < 12)
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return;
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for_each_dmc_id(dmc_id) {
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int handler;
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if (!has_dmc_id_fw(i915, dmc_id))
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if (!has_dmc_id_fw(display, dmc_id))
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continue;
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for (handler = 0; handler < DMC_EVENT_HANDLER_COUNT_GEN12; handler++)
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disable_event_handler(i915,
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DMC_EVT_CTL(i915, dmc_id, handler),
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DMC_EVT_HTP(i915, dmc_id, handler));
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disable_event_handler(display,
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DMC_EVT_CTL(display, dmc_id, handler),
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DMC_EVT_HTP(display, dmc_id, handler));
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}
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}
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static void adlp_pipedmc_clock_gating_wa(struct drm_i915_private *i915, bool enable)
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static void adlp_pipedmc_clock_gating_wa(struct intel_display *display, bool enable)
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{
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enum pipe pipe;
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@@ -451,84 +452,86 @@ static void adlp_pipedmc_clock_gating_wa(struct drm_i915_private *i915, bool ena
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*/
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if (enable)
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for (pipe = PIPE_A; pipe <= PIPE_D; pipe++)
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intel_de_rmw(i915, CLKGATE_DIS_PSL_EXT(pipe),
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intel_de_rmw(display, CLKGATE_DIS_PSL_EXT(pipe),
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0, PIPEDMC_GATING_DIS);
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else
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for (pipe = PIPE_C; pipe <= PIPE_D; pipe++)
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intel_de_rmw(i915, CLKGATE_DIS_PSL_EXT(pipe),
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intel_de_rmw(display, CLKGATE_DIS_PSL_EXT(pipe),
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PIPEDMC_GATING_DIS, 0);
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}
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static void mtl_pipedmc_clock_gating_wa(struct drm_i915_private *i915)
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static void mtl_pipedmc_clock_gating_wa(struct intel_display *display)
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{
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/*
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* Wa_16015201720
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* The WA requires clock gating to be disabled all the time
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* for pipe A and B.
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*/
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intel_de_rmw(i915, GEN9_CLKGATE_DIS_0, 0,
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intel_de_rmw(display, GEN9_CLKGATE_DIS_0, 0,
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MTL_PIPEDMC_GATING_DIS_A | MTL_PIPEDMC_GATING_DIS_B);
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}
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static void pipedmc_clock_gating_wa(struct drm_i915_private *i915, bool enable)
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static void pipedmc_clock_gating_wa(struct intel_display *display, bool enable)
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{
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if (DISPLAY_VER(i915) >= 14 && enable)
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mtl_pipedmc_clock_gating_wa(i915);
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else if (DISPLAY_VER(i915) == 13)
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adlp_pipedmc_clock_gating_wa(i915, enable);
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if (DISPLAY_VER(display) >= 14 && enable)
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mtl_pipedmc_clock_gating_wa(display);
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else if (DISPLAY_VER(display) == 13)
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adlp_pipedmc_clock_gating_wa(display, enable);
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}
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void intel_dmc_enable_pipe(struct drm_i915_private *i915, enum pipe pipe)
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void intel_dmc_enable_pipe(struct intel_display *display, enum pipe pipe)
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{
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enum intel_dmc_id dmc_id = PIPE_TO_DMC_ID(pipe);
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if (!is_valid_dmc_id(dmc_id) || !has_dmc_id_fw(i915, dmc_id))
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if (!is_valid_dmc_id(dmc_id) || !has_dmc_id_fw(display, dmc_id))
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return;
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if (DISPLAY_VER(i915) >= 14)
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intel_de_rmw(i915, MTL_PIPEDMC_CONTROL, 0, PIPEDMC_ENABLE_MTL(pipe));
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if (DISPLAY_VER(display) >= 14)
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intel_de_rmw(display, MTL_PIPEDMC_CONTROL, 0, PIPEDMC_ENABLE_MTL(pipe));
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else
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intel_de_rmw(i915, PIPEDMC_CONTROL(pipe), 0, PIPEDMC_ENABLE);
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intel_de_rmw(display, PIPEDMC_CONTROL(pipe), 0, PIPEDMC_ENABLE);
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}
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void intel_dmc_disable_pipe(struct drm_i915_private *i915, enum pipe pipe)
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void intel_dmc_disable_pipe(struct intel_display *display, enum pipe pipe)
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{
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enum intel_dmc_id dmc_id = PIPE_TO_DMC_ID(pipe);
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if (!is_valid_dmc_id(dmc_id) || !has_dmc_id_fw(i915, dmc_id))
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if (!is_valid_dmc_id(dmc_id) || !has_dmc_id_fw(display, dmc_id))
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return;
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if (DISPLAY_VER(i915) >= 14)
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intel_de_rmw(i915, MTL_PIPEDMC_CONTROL, PIPEDMC_ENABLE_MTL(pipe), 0);
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if (DISPLAY_VER(display) >= 14)
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intel_de_rmw(display, MTL_PIPEDMC_CONTROL, PIPEDMC_ENABLE_MTL(pipe), 0);
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else
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intel_de_rmw(i915, PIPEDMC_CONTROL(pipe), PIPEDMC_ENABLE, 0);
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intel_de_rmw(display, PIPEDMC_CONTROL(pipe), PIPEDMC_ENABLE, 0);
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}
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static bool is_dmc_evt_ctl_reg(struct drm_i915_private *i915,
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static bool is_dmc_evt_ctl_reg(struct intel_display *display,
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enum intel_dmc_id dmc_id, i915_reg_t reg)
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{
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u32 offset = i915_mmio_reg_offset(reg);
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u32 start = i915_mmio_reg_offset(DMC_EVT_CTL(i915, dmc_id, 0));
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u32 end = i915_mmio_reg_offset(DMC_EVT_CTL(i915, dmc_id, DMC_EVENT_HANDLER_COUNT_GEN12));
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u32 start = i915_mmio_reg_offset(DMC_EVT_CTL(display, dmc_id, 0));
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u32 end = i915_mmio_reg_offset(DMC_EVT_CTL(display, dmc_id, DMC_EVENT_HANDLER_COUNT_GEN12));
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return offset >= start && offset < end;
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}
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static bool is_dmc_evt_htp_reg(struct drm_i915_private *i915,
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static bool is_dmc_evt_htp_reg(struct intel_display *display,
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enum intel_dmc_id dmc_id, i915_reg_t reg)
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{
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u32 offset = i915_mmio_reg_offset(reg);
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u32 start = i915_mmio_reg_offset(DMC_EVT_HTP(i915, dmc_id, 0));
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u32 end = i915_mmio_reg_offset(DMC_EVT_HTP(i915, dmc_id, DMC_EVENT_HANDLER_COUNT_GEN12));
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u32 start = i915_mmio_reg_offset(DMC_EVT_HTP(display, dmc_id, 0));
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u32 end = i915_mmio_reg_offset(DMC_EVT_HTP(display, dmc_id, DMC_EVENT_HANDLER_COUNT_GEN12));
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return offset >= start && offset < end;
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}
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static bool disable_dmc_evt(struct drm_i915_private *i915,
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static bool disable_dmc_evt(struct intel_display *display,
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|
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enum intel_dmc_id dmc_id,
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|
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i915_reg_t reg, u32 data)
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{
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if (!is_dmc_evt_ctl_reg(i915, dmc_id, reg))
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struct drm_i915_private *i915 = to_i915(display->drm);
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|
|
|
|
|
|
if (!is_dmc_evt_ctl_reg(display, dmc_id, reg))
|
|
|
|
|
return false;
|
|
|
|
|
|
|
|
|
|
/* keep all pipe DMC events disabled by default */
|
|
|
|
|
@@ -548,11 +551,11 @@ static bool disable_dmc_evt(struct drm_i915_private *i915,
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static u32 dmc_mmiodata(struct drm_i915_private *i915,
|
|
|
|
|
static u32 dmc_mmiodata(struct intel_display *display,
|
|
|
|
|
struct intel_dmc *dmc,
|
|
|
|
|
enum intel_dmc_id dmc_id, int i)
|
|
|
|
|
{
|
|
|
|
|
if (disable_dmc_evt(i915, dmc_id,
|
|
|
|
|
if (disable_dmc_evt(display, dmc_id,
|
|
|
|
|
dmc->dmc_info[dmc_id].mmioaddr[i],
|
|
|
|
|
dmc->dmc_info[dmc_id].mmiodata[i]))
|
|
|
|
|
return REG_FIELD_PREP(DMC_EVT_CTL_TYPE_MASK,
|
|
|
|
|
@@ -565,25 +568,26 @@ static u32 dmc_mmiodata(struct drm_i915_private *i915,
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* intel_dmc_load_program() - write the firmware from memory to register.
|
|
|
|
|
* @i915: i915 drm device.
|
|
|
|
|
* @display: display instance
|
|
|
|
|
*
|
|
|
|
|
* DMC firmware is read from a .bin file and kept in internal memory one time.
|
|
|
|
|
* Everytime display comes back from low power state this function is called to
|
|
|
|
|
* copy the firmware from internal memory to registers.
|
|
|
|
|
*/
|
|
|
|
|
void intel_dmc_load_program(struct drm_i915_private *i915)
|
|
|
|
|
void intel_dmc_load_program(struct intel_display *display)
|
|
|
|
|
{
|
|
|
|
|
struct i915_power_domains *power_domains = &i915->display.power.domains;
|
|
|
|
|
struct intel_dmc *dmc = i915_to_dmc(i915);
|
|
|
|
|
struct drm_i915_private *i915 __maybe_unused = to_i915(display->drm);
|
|
|
|
|
struct i915_power_domains *power_domains = &display->power.domains;
|
|
|
|
|
struct intel_dmc *dmc = display_to_dmc(display);
|
|
|
|
|
enum intel_dmc_id dmc_id;
|
|
|
|
|
u32 i;
|
|
|
|
|
|
|
|
|
|
if (!intel_dmc_has_payload(i915))
|
|
|
|
|
if (!intel_dmc_has_payload(display))
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
pipedmc_clock_gating_wa(i915, true);
|
|
|
|
|
pipedmc_clock_gating_wa(display, true);
|
|
|
|
|
|
|
|
|
|
disable_all_event_handlers(i915);
|
|
|
|
|
disable_all_event_handlers(display);
|
|
|
|
|
|
|
|
|
|
assert_rpm_wakelock_held(&i915->runtime_pm);
|
|
|
|
|
|
|
|
|
|
@@ -591,7 +595,7 @@ void intel_dmc_load_program(struct drm_i915_private *i915)
|
|
|
|
|
|
|
|
|
|
for_each_dmc_id(dmc_id) {
|
|
|
|
|
for (i = 0; i < dmc->dmc_info[dmc_id].dmc_fw_size; i++) {
|
|
|
|
|
intel_de_write_fw(i915,
|
|
|
|
|
intel_de_write_fw(display,
|
|
|
|
|
DMC_PROGRAM(dmc->dmc_info[dmc_id].start_mmioaddr, i),
|
|
|
|
|
dmc->dmc_info[dmc_id].payload[i]);
|
|
|
|
|
}
|
|
|
|
|
@@ -601,48 +605,48 @@ void intel_dmc_load_program(struct drm_i915_private *i915)
|
|
|
|
|
|
|
|
|
|
for_each_dmc_id(dmc_id) {
|
|
|
|
|
for (i = 0; i < dmc->dmc_info[dmc_id].mmio_count; i++) {
|
|
|
|
|
intel_de_write(i915, dmc->dmc_info[dmc_id].mmioaddr[i],
|
|
|
|
|
dmc_mmiodata(i915, dmc, dmc_id, i));
|
|
|
|
|
intel_de_write(display, dmc->dmc_info[dmc_id].mmioaddr[i],
|
|
|
|
|
dmc_mmiodata(display, dmc, dmc_id, i));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
power_domains->dc_state = 0;
|
|
|
|
|
|
|
|
|
|
gen9_set_dc_state_debugmask(i915);
|
|
|
|
|
gen9_set_dc_state_debugmask(display);
|
|
|
|
|
|
|
|
|
|
pipedmc_clock_gating_wa(i915, false);
|
|
|
|
|
pipedmc_clock_gating_wa(display, false);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* intel_dmc_disable_program() - disable the firmware
|
|
|
|
|
* @i915: i915 drm device
|
|
|
|
|
* @display: display instance
|
|
|
|
|
*
|
|
|
|
|
* Disable all event handlers in the firmware, making sure the firmware is
|
|
|
|
|
* inactive after the display is uninitialized.
|
|
|
|
|
*/
|
|
|
|
|
void intel_dmc_disable_program(struct drm_i915_private *i915)
|
|
|
|
|
void intel_dmc_disable_program(struct intel_display *display)
|
|
|
|
|
{
|
|
|
|
|
if (!intel_dmc_has_payload(i915))
|
|
|
|
|
if (!intel_dmc_has_payload(display))
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
pipedmc_clock_gating_wa(i915, true);
|
|
|
|
|
disable_all_event_handlers(i915);
|
|
|
|
|
pipedmc_clock_gating_wa(i915, false);
|
|
|
|
|
pipedmc_clock_gating_wa(display, true);
|
|
|
|
|
disable_all_event_handlers(display);
|
|
|
|
|
pipedmc_clock_gating_wa(display, false);
|
|
|
|
|
|
|
|
|
|
intel_dmc_wl_disable(&i915->display);
|
|
|
|
|
intel_dmc_wl_disable(display);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void assert_dmc_loaded(struct drm_i915_private *i915)
|
|
|
|
|
void assert_dmc_loaded(struct intel_display *display)
|
|
|
|
|
{
|
|
|
|
|
struct intel_dmc *dmc = i915_to_dmc(i915);
|
|
|
|
|
struct intel_dmc *dmc = display_to_dmc(display);
|
|
|
|
|
|
|
|
|
|
drm_WARN_ONCE(&i915->drm, !dmc, "DMC not initialized\n");
|
|
|
|
|
drm_WARN_ONCE(&i915->drm, dmc &&
|
|
|
|
|
!intel_de_read(i915, DMC_PROGRAM(dmc->dmc_info[DMC_FW_MAIN].start_mmioaddr, 0)),
|
|
|
|
|
drm_WARN_ONCE(display->drm, !dmc, "DMC not initialized\n");
|
|
|
|
|
drm_WARN_ONCE(display->drm, dmc &&
|
|
|
|
|
!intel_de_read(display, DMC_PROGRAM(dmc->dmc_info[DMC_FW_MAIN].start_mmioaddr, 0)),
|
|
|
|
|
"DMC program storage start is NULL\n");
|
|
|
|
|
drm_WARN_ONCE(&i915->drm, !intel_de_read(i915, DMC_SSP_BASE),
|
|
|
|
|
drm_WARN_ONCE(display->drm, !intel_de_read(display, DMC_SSP_BASE),
|
|
|
|
|
"DMC SSP Base Not fine\n");
|
|
|
|
|
drm_WARN_ONCE(&i915->drm, !intel_de_read(i915, DMC_HTP_SKL),
|
|
|
|
|
drm_WARN_ONCE(display->drm, !intel_de_read(display, DMC_HTP_SKL),
|
|
|
|
|
"DMC HTP Not fine\n");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@@ -673,7 +677,7 @@ static void dmc_set_fw_offset(struct intel_dmc *dmc,
|
|
|
|
|
const struct stepping_info *si,
|
|
|
|
|
u8 package_ver)
|
|
|
|
|
{
|
|
|
|
|
struct drm_i915_private *i915 = dmc->i915;
|
|
|
|
|
struct intel_display *display = dmc->display;
|
|
|
|
|
enum intel_dmc_id dmc_id;
|
|
|
|
|
unsigned int i;
|
|
|
|
|
|
|
|
|
|
@@ -681,7 +685,7 @@ static void dmc_set_fw_offset(struct intel_dmc *dmc,
|
|
|
|
|
dmc_id = package_ver <= 1 ? DMC_FW_MAIN : fw_info[i].dmc_id;
|
|
|
|
|
|
|
|
|
|
if (!is_valid_dmc_id(dmc_id)) {
|
|
|
|
|
drm_dbg(&i915->drm, "Unsupported firmware id: %u\n", dmc_id);
|
|
|
|
|
drm_dbg(display->drm, "Unsupported firmware id: %u\n", dmc_id);
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@@ -703,7 +707,7 @@ static bool dmc_mmio_addr_sanity_check(struct intel_dmc *dmc,
|
|
|
|
|
const u32 *mmioaddr, u32 mmio_count,
|
|
|
|
|
int header_ver, enum intel_dmc_id dmc_id)
|
|
|
|
|
{
|
|
|
|
|
struct drm_i915_private *i915 = dmc->i915;
|
|
|
|
|
struct intel_display *display = dmc->display;
|
|
|
|
|
u32 start_range, end_range;
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
@@ -713,14 +717,14 @@ static bool dmc_mmio_addr_sanity_check(struct intel_dmc *dmc,
|
|
|
|
|
} else if (dmc_id == DMC_FW_MAIN) {
|
|
|
|
|
start_range = TGL_MAIN_MMIO_START;
|
|
|
|
|
end_range = TGL_MAIN_MMIO_END;
|
|
|
|
|
} else if (DISPLAY_VER(i915) >= 13) {
|
|
|
|
|
} else if (DISPLAY_VER(display) >= 13) {
|
|
|
|
|
start_range = ADLP_PIPE_MMIO_START;
|
|
|
|
|
end_range = ADLP_PIPE_MMIO_END;
|
|
|
|
|
} else if (DISPLAY_VER(i915) >= 12) {
|
|
|
|
|
} else if (DISPLAY_VER(display) >= 12) {
|
|
|
|
|
start_range = TGL_PIPE_MMIO_START(dmc_id);
|
|
|
|
|
end_range = TGL_PIPE_MMIO_END(dmc_id);
|
|
|
|
|
} else {
|
|
|
|
|
drm_warn(&i915->drm, "Unknown mmio range for sanity check");
|
|
|
|
|
drm_warn(display->drm, "Unknown mmio range for sanity check");
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@@ -736,7 +740,7 @@ static u32 parse_dmc_fw_header(struct intel_dmc *dmc,
|
|
|
|
|
const struct intel_dmc_header_base *dmc_header,
|
|
|
|
|
size_t rem_size, enum intel_dmc_id dmc_id)
|
|
|
|
|
{
|
|
|
|
|
struct drm_i915_private *i915 = dmc->i915;
|
|
|
|
|
struct intel_display *display = dmc->display;
|
|
|
|
|
struct dmc_fw_info *dmc_info = &dmc->dmc_info[dmc_id];
|
|
|
|
|
unsigned int header_len_bytes, dmc_header_size, payload_size, i;
|
|
|
|
|
const u32 *mmioaddr, *mmiodata;
|
|
|
|
|
@@ -784,39 +788,39 @@ static u32 parse_dmc_fw_header(struct intel_dmc *dmc,
|
|
|
|
|
start_mmioaddr = DMC_V1_MMIO_START_RANGE;
|
|
|
|
|
dmc_header_size = sizeof(*v1);
|
|
|
|
|
} else {
|
|
|
|
|
drm_err(&i915->drm, "Unknown DMC fw header version: %u\n",
|
|
|
|
|
drm_err(display->drm, "Unknown DMC fw header version: %u\n",
|
|
|
|
|
dmc_header->header_ver);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (header_len_bytes != dmc_header_size) {
|
|
|
|
|
drm_err(&i915->drm, "DMC firmware has wrong dmc header length "
|
|
|
|
|
drm_err(display->drm, "DMC firmware has wrong dmc header length "
|
|
|
|
|
"(%u bytes)\n", header_len_bytes);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Cache the dmc header info. */
|
|
|
|
|
if (mmio_count > mmio_count_max) {
|
|
|
|
|
drm_err(&i915->drm, "DMC firmware has wrong mmio count %u\n", mmio_count);
|
|
|
|
|
drm_err(display->drm, "DMC firmware has wrong mmio count %u\n", mmio_count);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!dmc_mmio_addr_sanity_check(dmc, mmioaddr, mmio_count,
|
|
|
|
|
dmc_header->header_ver, dmc_id)) {
|
|
|
|
|
drm_err(&i915->drm, "DMC firmware has Wrong MMIO Addresses\n");
|
|
|
|
|
drm_err(display->drm, "DMC firmware has Wrong MMIO Addresses\n");
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
drm_dbg_kms(&i915->drm, "DMC %d:\n", dmc_id);
|
|
|
|
|
drm_dbg_kms(display->drm, "DMC %d:\n", dmc_id);
|
|
|
|
|
for (i = 0; i < mmio_count; i++) {
|
|
|
|
|
dmc_info->mmioaddr[i] = _MMIO(mmioaddr[i]);
|
|
|
|
|
dmc_info->mmiodata[i] = mmiodata[i];
|
|
|
|
|
|
|
|
|
|
drm_dbg_kms(&i915->drm, " mmio[%d]: 0x%x = 0x%x%s%s\n",
|
|
|
|
|
drm_dbg_kms(display->drm, " mmio[%d]: 0x%x = 0x%x%s%s\n",
|
|
|
|
|
i, mmioaddr[i], mmiodata[i],
|
|
|
|
|
is_dmc_evt_ctl_reg(i915, dmc_id, dmc_info->mmioaddr[i]) ? " (EVT_CTL)" :
|
|
|
|
|
is_dmc_evt_htp_reg(i915, dmc_id, dmc_info->mmioaddr[i]) ? " (EVT_HTP)" : "",
|
|
|
|
|
disable_dmc_evt(i915, dmc_id, dmc_info->mmioaddr[i],
|
|
|
|
|
is_dmc_evt_ctl_reg(display, dmc_id, dmc_info->mmioaddr[i]) ? " (EVT_CTL)" :
|
|
|
|
|
is_dmc_evt_htp_reg(display, dmc_id, dmc_info->mmioaddr[i]) ? " (EVT_HTP)" : "",
|
|
|
|
|
disable_dmc_evt(display, dmc_id, dmc_info->mmioaddr[i],
|
|
|
|
|
dmc_info->mmiodata[i]) ? " (disabling)" : "");
|
|
|
|
|
}
|
|
|
|
|
dmc_info->mmio_count = mmio_count;
|
|
|
|
|
@@ -830,7 +834,7 @@ static u32 parse_dmc_fw_header(struct intel_dmc *dmc,
|
|
|
|
|
goto error_truncated;
|
|
|
|
|
|
|
|
|
|
if (payload_size > dmc->max_fw_size) {
|
|
|
|
|
drm_err(&i915->drm, "DMC FW too big (%u bytes)\n", payload_size);
|
|
|
|
|
drm_err(display->drm, "DMC FW too big (%u bytes)\n", payload_size);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
dmc_info->dmc_fw_size = dmc_header->fw_size;
|
|
|
|
|
@@ -845,7 +849,7 @@ static u32 parse_dmc_fw_header(struct intel_dmc *dmc,
|
|
|
|
|
return header_len_bytes + payload_size;
|
|
|
|
|
|
|
|
|
|
error_truncated:
|
|
|
|
|
drm_err(&i915->drm, "Truncated DMC firmware, refusing.\n");
|
|
|
|
|
drm_err(display->drm, "Truncated DMC firmware, refusing.\n");
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@@ -855,7 +859,7 @@ parse_dmc_fw_package(struct intel_dmc *dmc,
|
|
|
|
|
const struct stepping_info *si,
|
|
|
|
|
size_t rem_size)
|
|
|
|
|
{
|
|
|
|
|
struct drm_i915_private *i915 = dmc->i915;
|
|
|
|
|
struct intel_display *display = dmc->display;
|
|
|
|
|
u32 package_size = sizeof(struct intel_package_header);
|
|
|
|
|
u32 num_entries, max_entries;
|
|
|
|
|
const struct intel_fw_info *fw_info;
|
|
|
|
|
@@ -868,7 +872,7 @@ parse_dmc_fw_package(struct intel_dmc *dmc,
|
|
|
|
|
} else if (package_header->header_ver == 2) {
|
|
|
|
|
max_entries = PACKAGE_V2_MAX_FW_INFO_ENTRIES;
|
|
|
|
|
} else {
|
|
|
|
|
drm_err(&i915->drm, "DMC firmware has unknown header version %u\n",
|
|
|
|
|
drm_err(display->drm, "DMC firmware has unknown header version %u\n",
|
|
|
|
|
package_header->header_ver);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
@@ -882,7 +886,7 @@ parse_dmc_fw_package(struct intel_dmc *dmc,
|
|
|
|
|
goto error_truncated;
|
|
|
|
|
|
|
|
|
|
if (package_header->header_len * 4 != package_size) {
|
|
|
|
|
drm_err(&i915->drm, "DMC firmware has wrong package header length "
|
|
|
|
|
drm_err(display->drm, "DMC firmware has wrong package header length "
|
|
|
|
|
"(%u bytes)\n", package_size);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
@@ -900,7 +904,7 @@ parse_dmc_fw_package(struct intel_dmc *dmc,
|
|
|
|
|
return package_size;
|
|
|
|
|
|
|
|
|
|
error_truncated:
|
|
|
|
|
drm_err(&i915->drm, "Truncated DMC firmware, refusing.\n");
|
|
|
|
|
drm_err(display->drm, "Truncated DMC firmware, refusing.\n");
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@@ -909,16 +913,16 @@ static u32 parse_dmc_fw_css(struct intel_dmc *dmc,
|
|
|
|
|
struct intel_css_header *css_header,
|
|
|
|
|
size_t rem_size)
|
|
|
|
|
{
|
|
|
|
|
struct drm_i915_private *i915 = dmc->i915;
|
|
|
|
|
struct intel_display *display = dmc->display;
|
|
|
|
|
|
|
|
|
|
if (rem_size < sizeof(struct intel_css_header)) {
|
|
|
|
|
drm_err(&i915->drm, "Truncated DMC firmware, refusing.\n");
|
|
|
|
|
drm_err(display->drm, "Truncated DMC firmware, refusing.\n");
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (sizeof(struct intel_css_header) !=
|
|
|
|
|
(css_header->header_len * 4)) {
|
|
|
|
|
drm_err(&i915->drm, "DMC firmware has wrong CSS header length "
|
|
|
|
|
drm_err(display->drm, "DMC firmware has wrong CSS header length "
|
|
|
|
|
"(%u bytes)\n",
|
|
|
|
|
(css_header->header_len * 4));
|
|
|
|
|
return 0;
|
|
|
|
|
@@ -931,12 +935,12 @@ static u32 parse_dmc_fw_css(struct intel_dmc *dmc,
|
|
|
|
|
|
|
|
|
|
static int parse_dmc_fw(struct intel_dmc *dmc, const struct firmware *fw)
|
|
|
|
|
{
|
|
|
|
|
struct drm_i915_private *i915 = dmc->i915;
|
|
|
|
|
struct intel_display *display = dmc->display;
|
|
|
|
|
struct intel_css_header *css_header;
|
|
|
|
|
struct intel_package_header *package_header;
|
|
|
|
|
struct intel_dmc_header_base *dmc_header;
|
|
|
|
|
struct stepping_info display_info = { '*', '*'};
|
|
|
|
|
const struct stepping_info *si = intel_get_stepping_info(i915, &display_info);
|
|
|
|
|
const struct stepping_info *si = intel_get_stepping_info(display, &display_info);
|
|
|
|
|
enum intel_dmc_id dmc_id;
|
|
|
|
|
u32 readcount = 0;
|
|
|
|
|
u32 r, offset;
|
|
|
|
|
@@ -966,7 +970,7 @@ static int parse_dmc_fw(struct intel_dmc *dmc, const struct firmware *fw)
|
|
|
|
|
|
|
|
|
|
offset = readcount + dmc->dmc_info[dmc_id].dmc_offset * 4;
|
|
|
|
|
if (offset > fw->size) {
|
|
|
|
|
drm_err(&i915->drm, "Reading beyond the fw_size\n");
|
|
|
|
|
drm_err(display->drm, "Reading beyond the fw_size\n");
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@@ -974,30 +978,35 @@ static int parse_dmc_fw(struct intel_dmc *dmc, const struct firmware *fw)
|
|
|
|
|
parse_dmc_fw_header(dmc, dmc_header, fw->size - offset, dmc_id);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!intel_dmc_has_payload(i915)) {
|
|
|
|
|
drm_err(&i915->drm, "DMC firmware main program not found\n");
|
|
|
|
|
if (!intel_dmc_has_payload(display)) {
|
|
|
|
|
drm_err(display->drm, "DMC firmware main program not found\n");
|
|
|
|
|
return -ENOENT;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void intel_dmc_runtime_pm_get(struct drm_i915_private *i915)
|
|
|
|
|
static void intel_dmc_runtime_pm_get(struct intel_display *display)
|
|
|
|
|
{
|
|
|
|
|
drm_WARN_ON(&i915->drm, i915->display.dmc.wakeref);
|
|
|
|
|
i915->display.dmc.wakeref = intel_display_power_get(i915, POWER_DOMAIN_INIT);
|
|
|
|
|
struct drm_i915_private *i915 = to_i915(display->drm);
|
|
|
|
|
|
|
|
|
|
drm_WARN_ON(display->drm, display->dmc.wakeref);
|
|
|
|
|
display->dmc.wakeref = intel_display_power_get(i915, POWER_DOMAIN_INIT);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void intel_dmc_runtime_pm_put(struct drm_i915_private *i915)
|
|
|
|
|
static void intel_dmc_runtime_pm_put(struct intel_display *display)
|
|
|
|
|
{
|
|
|
|
|
struct drm_i915_private *i915 = to_i915(display->drm);
|
|
|
|
|
intel_wakeref_t wakeref __maybe_unused =
|
|
|
|
|
fetch_and_zero(&i915->display.dmc.wakeref);
|
|
|
|
|
fetch_and_zero(&display->dmc.wakeref);
|
|
|
|
|
|
|
|
|
|
intel_display_power_put(i915, POWER_DOMAIN_INIT, wakeref);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static const char *dmc_fallback_path(struct drm_i915_private *i915)
|
|
|
|
|
static const char *dmc_fallback_path(struct intel_display *display)
|
|
|
|
|
{
|
|
|
|
|
struct drm_i915_private *i915 = to_i915(display->drm);
|
|
|
|
|
|
|
|
|
|
if (IS_ALDERLAKE_P(i915))
|
|
|
|
|
return ADLP_DMC_FALLBACK_PATH;
|
|
|
|
|
|
|
|
|
|
@@ -1007,45 +1016,45 @@ static const char *dmc_fallback_path(struct drm_i915_private *i915)
|
|
|
|
|
static void dmc_load_work_fn(struct work_struct *work)
|
|
|
|
|
{
|
|
|
|
|
struct intel_dmc *dmc = container_of(work, typeof(*dmc), work);
|
|
|
|
|
struct drm_i915_private *i915 = dmc->i915;
|
|
|
|
|
struct intel_display *display = dmc->display;
|
|
|
|
|
const struct firmware *fw = NULL;
|
|
|
|
|
const char *fallback_path;
|
|
|
|
|
int err;
|
|
|
|
|
|
|
|
|
|
err = request_firmware(&fw, dmc->fw_path, i915->drm.dev);
|
|
|
|
|
err = request_firmware(&fw, dmc->fw_path, display->drm->dev);
|
|
|
|
|
|
|
|
|
|
if (err == -ENOENT && !dmc_firmware_param(i915)) {
|
|
|
|
|
fallback_path = dmc_fallback_path(i915);
|
|
|
|
|
if (err == -ENOENT && !dmc_firmware_param(display)) {
|
|
|
|
|
fallback_path = dmc_fallback_path(display);
|
|
|
|
|
if (fallback_path) {
|
|
|
|
|
drm_dbg_kms(&i915->drm, "%s not found, falling back to %s\n",
|
|
|
|
|
drm_dbg_kms(display->drm, "%s not found, falling back to %s\n",
|
|
|
|
|
dmc->fw_path, fallback_path);
|
|
|
|
|
err = request_firmware(&fw, fallback_path, i915->drm.dev);
|
|
|
|
|
err = request_firmware(&fw, fallback_path, display->drm->dev);
|
|
|
|
|
if (err == 0)
|
|
|
|
|
dmc->fw_path = fallback_path;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (err) {
|
|
|
|
|
drm_notice(&i915->drm,
|
|
|
|
|
drm_notice(display->drm,
|
|
|
|
|
"Failed to load DMC firmware %s (%pe). Disabling runtime power management.\n",
|
|
|
|
|
dmc->fw_path, ERR_PTR(err));
|
|
|
|
|
drm_notice(&i915->drm, "DMC firmware homepage: %s",
|
|
|
|
|
drm_notice(display->drm, "DMC firmware homepage: %s",
|
|
|
|
|
INTEL_DMC_FIRMWARE_URL);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
err = parse_dmc_fw(dmc, fw);
|
|
|
|
|
if (err) {
|
|
|
|
|
drm_notice(&i915->drm,
|
|
|
|
|
drm_notice(display->drm,
|
|
|
|
|
"Failed to parse DMC firmware %s (%pe). Disabling runtime power management.\n",
|
|
|
|
|
dmc->fw_path, ERR_PTR(err));
|
|
|
|
|
goto out;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
intel_dmc_load_program(i915);
|
|
|
|
|
intel_dmc_runtime_pm_put(i915);
|
|
|
|
|
intel_dmc_load_program(display);
|
|
|
|
|
intel_dmc_runtime_pm_put(display);
|
|
|
|
|
|
|
|
|
|
drm_info(&i915->drm, "Finished loading DMC firmware %s (v%u.%u)\n",
|
|
|
|
|
drm_info(display->drm, "Finished loading DMC firmware %s (v%u.%u)\n",
|
|
|
|
|
dmc->fw_path, DMC_VERSION_MAJOR(dmc->version),
|
|
|
|
|
DMC_VERSION_MINOR(dmc->version));
|
|
|
|
|
|
|
|
|
|
@@ -1055,16 +1064,17 @@ out:
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* intel_dmc_init() - initialize the firmware loading.
|
|
|
|
|
* @i915: i915 drm device.
|
|
|
|
|
* @display: display instance
|
|
|
|
|
*
|
|
|
|
|
* This function is called at the time of loading the display driver to read
|
|
|
|
|
* firmware from a .bin file and copied into a internal memory.
|
|
|
|
|
*/
|
|
|
|
|
void intel_dmc_init(struct drm_i915_private *i915)
|
|
|
|
|
void intel_dmc_init(struct intel_display *display)
|
|
|
|
|
{
|
|
|
|
|
struct drm_i915_private *i915 = to_i915(display->drm);
|
|
|
|
|
struct intel_dmc *dmc;
|
|
|
|
|
|
|
|
|
|
if (!HAS_DMC(i915))
|
|
|
|
|
if (!HAS_DMC(display))
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
@@ -1075,35 +1085,35 @@ void intel_dmc_init(struct drm_i915_private *i915)
|
|
|
|
|
* suspend as runtime suspend *requires* a working DMC for whatever
|
|
|
|
|
* reason.
|
|
|
|
|
*/
|
|
|
|
|
intel_dmc_runtime_pm_get(i915);
|
|
|
|
|
intel_dmc_runtime_pm_get(display);
|
|
|
|
|
|
|
|
|
|
dmc = kzalloc(sizeof(*dmc), GFP_KERNEL);
|
|
|
|
|
if (!dmc)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
dmc->i915 = i915;
|
|
|
|
|
dmc->display = display;
|
|
|
|
|
|
|
|
|
|
INIT_WORK(&dmc->work, dmc_load_work_fn);
|
|
|
|
|
|
|
|
|
|
dmc->fw_path = dmc_firmware_default(i915, &dmc->max_fw_size);
|
|
|
|
|
dmc->fw_path = dmc_firmware_default(display, &dmc->max_fw_size);
|
|
|
|
|
|
|
|
|
|
if (dmc_firmware_param_disabled(i915)) {
|
|
|
|
|
drm_info(&i915->drm, "Disabling DMC firmware and runtime PM\n");
|
|
|
|
|
if (dmc_firmware_param_disabled(display)) {
|
|
|
|
|
drm_info(display->drm, "Disabling DMC firmware and runtime PM\n");
|
|
|
|
|
goto out;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (dmc_firmware_param(i915))
|
|
|
|
|
dmc->fw_path = dmc_firmware_param(i915);
|
|
|
|
|
if (dmc_firmware_param(display))
|
|
|
|
|
dmc->fw_path = dmc_firmware_param(display);
|
|
|
|
|
|
|
|
|
|
if (!dmc->fw_path) {
|
|
|
|
|
drm_dbg_kms(&i915->drm,
|
|
|
|
|
drm_dbg_kms(display->drm,
|
|
|
|
|
"No known DMC firmware for platform, disabling runtime PM\n");
|
|
|
|
|
goto out;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
i915->display.dmc.dmc = dmc;
|
|
|
|
|
display->dmc.dmc = dmc;
|
|
|
|
|
|
|
|
|
|
drm_dbg_kms(&i915->drm, "Loading %s\n", dmc->fw_path);
|
|
|
|
|
drm_dbg_kms(display->drm, "Loading %s\n", dmc->fw_path);
|
|
|
|
|
queue_work(i915->unordered_wq, &dmc->work);
|
|
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
@@ -1114,87 +1124,87 @@ out:
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* intel_dmc_suspend() - prepare DMC firmware before system suspend
|
|
|
|
|
* @i915: i915 drm device
|
|
|
|
|
* @display: display instance
|
|
|
|
|
*
|
|
|
|
|
* Prepare the DMC firmware before entering system suspend. This includes
|
|
|
|
|
* flushing pending work items and releasing any resources acquired during
|
|
|
|
|
* init.
|
|
|
|
|
*/
|
|
|
|
|
void intel_dmc_suspend(struct drm_i915_private *i915)
|
|
|
|
|
void intel_dmc_suspend(struct intel_display *display)
|
|
|
|
|
{
|
|
|
|
|
struct intel_dmc *dmc = i915_to_dmc(i915);
|
|
|
|
|
struct intel_dmc *dmc = display_to_dmc(display);
|
|
|
|
|
|
|
|
|
|
if (!HAS_DMC(i915))
|
|
|
|
|
if (!HAS_DMC(display))
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
if (dmc)
|
|
|
|
|
flush_work(&dmc->work);
|
|
|
|
|
|
|
|
|
|
intel_dmc_wl_disable(&i915->display);
|
|
|
|
|
intel_dmc_wl_disable(display);
|
|
|
|
|
|
|
|
|
|
/* Drop the reference held in case DMC isn't loaded. */
|
|
|
|
|
if (!intel_dmc_has_payload(i915))
|
|
|
|
|
intel_dmc_runtime_pm_put(i915);
|
|
|
|
|
if (!intel_dmc_has_payload(display))
|
|
|
|
|
intel_dmc_runtime_pm_put(display);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* intel_dmc_resume() - init DMC firmware during system resume
|
|
|
|
|
* @i915: i915 drm device
|
|
|
|
|
* @display: display instance
|
|
|
|
|
*
|
|
|
|
|
* Reinitialize the DMC firmware during system resume, reacquiring any
|
|
|
|
|
* resources released in intel_dmc_suspend().
|
|
|
|
|
*/
|
|
|
|
|
void intel_dmc_resume(struct drm_i915_private *i915)
|
|
|
|
|
void intel_dmc_resume(struct intel_display *display)
|
|
|
|
|
{
|
|
|
|
|
if (!HAS_DMC(i915))
|
|
|
|
|
if (!HAS_DMC(display))
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Reacquire the reference to keep RPM disabled in case DMC isn't
|
|
|
|
|
* loaded.
|
|
|
|
|
*/
|
|
|
|
|
if (!intel_dmc_has_payload(i915))
|
|
|
|
|
intel_dmc_runtime_pm_get(i915);
|
|
|
|
|
if (!intel_dmc_has_payload(display))
|
|
|
|
|
intel_dmc_runtime_pm_get(display);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* intel_dmc_fini() - unload the DMC firmware.
|
|
|
|
|
* @i915: i915 drm device.
|
|
|
|
|
* @display: display instance
|
|
|
|
|
*
|
|
|
|
|
* Firmmware unloading includes freeing the internal memory and reset the
|
|
|
|
|
* firmware loading status.
|
|
|
|
|
*/
|
|
|
|
|
void intel_dmc_fini(struct drm_i915_private *i915)
|
|
|
|
|
void intel_dmc_fini(struct intel_display *display)
|
|
|
|
|
{
|
|
|
|
|
struct intel_dmc *dmc = i915_to_dmc(i915);
|
|
|
|
|
struct intel_dmc *dmc = display_to_dmc(display);
|
|
|
|
|
enum intel_dmc_id dmc_id;
|
|
|
|
|
|
|
|
|
|
if (!HAS_DMC(i915))
|
|
|
|
|
if (!HAS_DMC(display))
|
|
|
|
|
return;
|
|
|
|
|
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|
|
|
|
intel_dmc_suspend(i915);
|
|
|
|
|
drm_WARN_ON(&i915->drm, i915->display.dmc.wakeref);
|
|
|
|
|
intel_dmc_suspend(display);
|
|
|
|
|
drm_WARN_ON(display->drm, display->dmc.wakeref);
|
|
|
|
|
|
|
|
|
|
if (dmc) {
|
|
|
|
|
for_each_dmc_id(dmc_id)
|
|
|
|
|
kfree(dmc->dmc_info[dmc_id].payload);
|
|
|
|
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|
|
|
|
|
kfree(dmc);
|
|
|
|
|
i915->display.dmc.dmc = NULL;
|
|
|
|
|
display->dmc.dmc = NULL;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void intel_dmc_print_error_state(struct drm_printer *p,
|
|
|
|
|
struct drm_i915_private *i915)
|
|
|
|
|
struct intel_display *display)
|
|
|
|
|
{
|
|
|
|
|
struct intel_dmc *dmc = i915_to_dmc(i915);
|
|
|
|
|
struct intel_dmc *dmc = display_to_dmc(display);
|
|
|
|
|
|
|
|
|
|
if (!HAS_DMC(i915))
|
|
|
|
|
if (!HAS_DMC(display))
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
drm_printf(p, "DMC initialized: %s\n", str_yes_no(dmc));
|
|
|
|
|
drm_printf(p, "DMC loaded: %s\n",
|
|
|
|
|
str_yes_no(intel_dmc_has_payload(i915)));
|
|
|
|
|
str_yes_no(intel_dmc_has_payload(display)));
|
|
|
|
|
if (dmc)
|
|
|
|
|
drm_printf(p, "DMC fw version: %d.%d\n",
|
|
|
|
|
DMC_VERSION_MAJOR(dmc->version),
|
|
|
|
|
@@ -1203,40 +1213,41 @@ void intel_dmc_print_error_state(struct drm_printer *p,
|
|
|
|
|
|
|
|
|
|
static int intel_dmc_debugfs_status_show(struct seq_file *m, void *unused)
|
|
|
|
|
{
|
|
|
|
|
struct drm_i915_private *i915 = m->private;
|
|
|
|
|
struct intel_dmc *dmc = i915_to_dmc(i915);
|
|
|
|
|
struct intel_display *display = m->private;
|
|
|
|
|
struct drm_i915_private *i915 = to_i915(display->drm);
|
|
|
|
|
struct intel_dmc *dmc = display_to_dmc(display);
|
|
|
|
|
intel_wakeref_t wakeref;
|
|
|
|
|
i915_reg_t dc5_reg, dc6_reg = INVALID_MMIO_REG;
|
|
|
|
|
|
|
|
|
|
if (!HAS_DMC(i915))
|
|
|
|
|
if (!HAS_DMC(display))
|
|
|
|
|
return -ENODEV;
|
|
|
|
|
|
|
|
|
|
wakeref = intel_runtime_pm_get(&i915->runtime_pm);
|
|
|
|
|
|
|
|
|
|
seq_printf(m, "DMC initialized: %s\n", str_yes_no(dmc));
|
|
|
|
|
seq_printf(m, "fw loaded: %s\n",
|
|
|
|
|
str_yes_no(intel_dmc_has_payload(i915)));
|
|
|
|
|
str_yes_no(intel_dmc_has_payload(display)));
|
|
|
|
|
seq_printf(m, "path: %s\n", dmc ? dmc->fw_path : "N/A");
|
|
|
|
|
seq_printf(m, "Pipe A fw needed: %s\n",
|
|
|
|
|
str_yes_no(DISPLAY_VER(i915) >= 12));
|
|
|
|
|
str_yes_no(DISPLAY_VER(display) >= 12));
|
|
|
|
|
seq_printf(m, "Pipe A fw loaded: %s\n",
|
|
|
|
|
str_yes_no(has_dmc_id_fw(i915, DMC_FW_PIPEA)));
|
|
|
|
|
str_yes_no(has_dmc_id_fw(display, DMC_FW_PIPEA)));
|
|
|
|
|
seq_printf(m, "Pipe B fw needed: %s\n",
|
|
|
|
|
str_yes_no(IS_ALDERLAKE_P(i915) ||
|
|
|
|
|
DISPLAY_VER(i915) >= 14));
|
|
|
|
|
DISPLAY_VER(display) >= 14));
|
|
|
|
|
seq_printf(m, "Pipe B fw loaded: %s\n",
|
|
|
|
|
str_yes_no(has_dmc_id_fw(i915, DMC_FW_PIPEB)));
|
|
|
|
|
str_yes_no(has_dmc_id_fw(display, DMC_FW_PIPEB)));
|
|
|
|
|
|
|
|
|
|
if (!intel_dmc_has_payload(i915))
|
|
|
|
|
if (!intel_dmc_has_payload(display))
|
|
|
|
|
goto out;
|
|
|
|
|
|
|
|
|
|
seq_printf(m, "version: %d.%d\n", DMC_VERSION_MAJOR(dmc->version),
|
|
|
|
|
DMC_VERSION_MINOR(dmc->version));
|
|
|
|
|
|
|
|
|
|
if (DISPLAY_VER(i915) >= 12) {
|
|
|
|
|
if (DISPLAY_VER(display) >= 12) {
|
|
|
|
|
i915_reg_t dc3co_reg;
|
|
|
|
|
|
|
|
|
|
if (IS_DGFX(i915) || DISPLAY_VER(i915) >= 14) {
|
|
|
|
|
if (IS_DGFX(i915) || DISPLAY_VER(display) >= 14) {
|
|
|
|
|
dc3co_reg = DG1_DMC_DEBUG3;
|
|
|
|
|
dc5_reg = DG1_DMC_DEBUG_DC5_COUNT;
|
|
|
|
|
} else {
|
|
|
|
|
@@ -1246,7 +1257,7 @@ static int intel_dmc_debugfs_status_show(struct seq_file *m, void *unused)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
seq_printf(m, "DC3CO count: %d\n",
|
|
|
|
|
intel_de_read(i915, dc3co_reg));
|
|
|
|
|
intel_de_read(display, dc3co_reg));
|
|
|
|
|
} else {
|
|
|
|
|
dc5_reg = IS_BROXTON(i915) ? BXT_DMC_DC3_DC5_COUNT :
|
|
|
|
|
SKL_DMC_DC3_DC5_COUNT;
|
|
|
|
|
@@ -1254,18 +1265,18 @@ static int intel_dmc_debugfs_status_show(struct seq_file *m, void *unused)
|
|
|
|
|
dc6_reg = SKL_DMC_DC5_DC6_COUNT;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
seq_printf(m, "DC3 -> DC5 count: %d\n", intel_de_read(i915, dc5_reg));
|
|
|
|
|
seq_printf(m, "DC3 -> DC5 count: %d\n", intel_de_read(display, dc5_reg));
|
|
|
|
|
if (i915_mmio_reg_valid(dc6_reg))
|
|
|
|
|
seq_printf(m, "DC5 -> DC6 count: %d\n",
|
|
|
|
|
intel_de_read(i915, dc6_reg));
|
|
|
|
|
intel_de_read(display, dc6_reg));
|
|
|
|
|
|
|
|
|
|
seq_printf(m, "program base: 0x%08x\n",
|
|
|
|
|
intel_de_read(i915, DMC_PROGRAM(dmc->dmc_info[DMC_FW_MAIN].start_mmioaddr, 0)));
|
|
|
|
|
intel_de_read(display, DMC_PROGRAM(dmc->dmc_info[DMC_FW_MAIN].start_mmioaddr, 0)));
|
|
|
|
|
|
|
|
|
|
out:
|
|
|
|
|
seq_printf(m, "ssp base: 0x%08x\n",
|
|
|
|
|
intel_de_read(i915, DMC_SSP_BASE));
|
|
|
|
|
seq_printf(m, "htp: 0x%08x\n", intel_de_read(i915, DMC_HTP_SKL));
|
|
|
|
|
intel_de_read(display, DMC_SSP_BASE));
|
|
|
|
|
seq_printf(m, "htp: 0x%08x\n", intel_de_read(display, DMC_HTP_SKL));
|
|
|
|
|
|
|
|
|
|
intel_runtime_pm_put(&i915->runtime_pm, wakeref);
|
|
|
|
|
|
|
|
|
|
@@ -1274,10 +1285,10 @@ out:
|
|
|
|
|
|
|
|
|
|
DEFINE_SHOW_ATTRIBUTE(intel_dmc_debugfs_status);
|
|
|
|
|
|
|
|
|
|
void intel_dmc_debugfs_register(struct drm_i915_private *i915)
|
|
|
|
|
void intel_dmc_debugfs_register(struct intel_display *display)
|
|
|
|
|
{
|
|
|
|
|
struct drm_minor *minor = i915->drm.primary;
|
|
|
|
|
struct drm_minor *minor = display->drm->primary;
|
|
|
|
|
|
|
|
|
|
debugfs_create_file("i915_dmc_info", 0444, minor->debugfs_root,
|
|
|
|
|
i915, &intel_dmc_debugfs_status_fops);
|
|
|
|
|
display, &intel_dmc_debugfs_status_fops);
|
|
|
|
|
}
|
|
|
|
|
|