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drm/xe/bmg: Update Wa_14022085890

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Set GT min frequency to 1200Mhz once driver load is complete.

v2: Review comments (Rodrigo)
v3: Apply Wa earlier so user_req_min is not clobbered.
v4: Apply to all GTs (Lucas)

Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Reviewed-by: Stuart Summers <stuart.summers@intel.com>
Link: https://lore.kernel.org/r/20250612-wa-14022085890-v4-3-94ba5dcc1e30@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit bdde16c9ac)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
This commit is contained in:
Vinay Belgaumkar
2025-06-12 00:09:02 -07:00
committed by Lucas De Marchi
parent a1eec6cae9
commit a5c7dcdd96
2 changed files with 9 additions and 0 deletions
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5
drivers/gpu/drm/xe/xe_guc_pc.c
View File

@@ -52,6 +52,7 @@
#define LNL_MERT_FREQ_CAP 800
#define BMG_MERT_FREQ_CAP 2133
#define BMG_MIN_FREQ 1200
#define SLPC_RESET_TIMEOUT_MS 5 /* roughly 5ms, but no need for precision */
#define SLPC_RESET_EXTENDED_TIMEOUT_MS 1000 /* To be used only at pc_start */
@@ -832,6 +833,7 @@ void xe_guc_pc_init_early(struct xe_guc_pc *pc)
static int pc_adjust_freq_bounds(struct xe_guc_pc *pc)
{
struct xe_tile *tile = gt_to_tile(pc_to_gt(pc));
int ret;
lockdep_assert_held(&pc->freq_lock);
@@ -858,6 +860,9 @@ static int pc_adjust_freq_bounds(struct xe_guc_pc *pc)
if (pc_get_min_freq(pc) > pc->rp0_freq)
ret = pc_set_min_freq(pc, pc->rp0_freq);
if (XE_WA(tile->primary_gt, 14022085890))
ret = pc_set_min_freq(pc, max(BMG_MIN_FREQ, pc_get_min_freq(pc)));
out:
return ret;
}

4
drivers/gpu/drm/xe/xe_wa_oob.rules
View File

@@ -59,3 +59,7 @@ no_media_l3 MEDIA_VERSION(3000)
MEDIA_VERSION_RANGE(1301, 3000)
16026508708 GRAPHICS_VERSION_RANGE(1200, 3001)
MEDIA_VERSION_RANGE(1300, 3000)
# SoC workaround - currently applies to all platforms with the following
# primary GT GMDID
14022085890 GRAPHICS_VERSION(2001)