github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-24 07:03:03 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/i915/display: convert W/As in intel_pmdemand.c to new framework

Browse Source 
Convert the low-hanging fruits of workaround checks to the workaround
framework.  Instead of having display structure checks for the
workarounds all over, concentrate the checks in intel_display_wa.c.

Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260305100100.332956-14-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Luca Coelho 2026-03-05 11:59:16 +02:00
parent 2cefa9a955
commit b13bd24cae
3 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/i915/display/intel_display_wa.c
View File

@ -100,6 +100,8 @@ bool __intel_display_wa(struct intel_display *display, enum intel_display_wa wa,
IS_DISPLAY_STEP(display, STEP_A0, STEP_A2);
case INTEL_DISPLAY_WA_14014143976:
return IS_DISPLAY_STEP(display, STEP_E0, STEP_FOREVER);
case INTEL_DISPLAY_WA_14016740474:
return IS_DISPLAY_VERx100_STEP(display, 1400, STEP_A0, STEP_C0);
case INTEL_DISPLAY_WA_14020863754:
return DISPLAY_VERx100(display) == 3000 ||
DISPLAY_VERx100(display) == 2000 ||

1
drivers/gpu/drm/i915/display/intel_display_wa.h
View File

@ -39,6 +39,7 @@ enum intel_display_wa {
INTEL_DISPLAY_WA_14011508470,
INTEL_DISPLAY_WA_14011765242,
INTEL_DISPLAY_WA_14014143976,
INTEL_DISPLAY_WA_14016740474,
INTEL_DISPLAY_WA_14020863754,
INTEL_DISPLAY_WA_14025769978,
INTEL_DISPLAY_WA_15013987218,

8
drivers/gpu/drm/i915/display/intel_pmdemand.c
View File

@ -15,6 +15,7 @@
#include "intel_display_regs.h"
#include "intel_display_trace.h"
#include "intel_display_utils.h"
#include "intel_display_wa.h"
#include "intel_pmdemand.h"
#include "intel_step.h"
#include "skl_watermark.h"
@ -129,9 +130,10 @@ int intel_pmdemand_init(struct intel_display *display)
&pmdemand_state->base,
&intel_pmdemand_funcs);
if (IS_DISPLAY_VERx100_STEP(display, 1400, STEP_A0, STEP_C0))
/* Wa_14016740474 */
intel_de_rmw(display, XELPD_CHICKEN_DCPR_3, 0, DMD_RSP_TIMEOUT_DISABLE);
/* Wa_14016740474 */
if (intel_display_wa(display, INTEL_DISPLAY_WA_14016740474))
intel_de_rmw(display, XELPD_CHICKEN_DCPR_3, 0,
DMD_RSP_TIMEOUT_DISABLE);
return 0;
}