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

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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/20260305100100.332956-7-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Luca Coelho 2026-03-05 11:59:09 +02:00
parent 7bad5d5c18
commit cc81de748d
3 changed files with 6 additions and 2 deletions
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4
drivers/gpu/drm/i915/display/intel_ddi.c
View File

@ -52,6 +52,7 @@
#include "intel_display_regs.h"
#include "intel_display_types.h"
#include "intel_display_utils.h"
#include "intel_display_wa.h"
#include "intel_dkl_phy.h"
#include "intel_dkl_phy_regs.h"
#include "intel_dp.h"
@ -1401,8 +1402,7 @@ static void tgl_dkl_phy_set_signal_levels(struct intel_encoder *encoder,
int level;
/* Wa_16011342517:adl-p */
if (display->platform.alderlake_p &&
IS_DISPLAY_STEP(display, STEP_A0, STEP_D0)) {
if (intel_display_wa(display, INTEL_DISPLAY_WA_16011342517)) {
if ((intel_encoder_is_hdmi(encoder) &&
crtc_state->port_clock == 594000) ||
(intel_encoder_is_dp(encoder) &&

3
drivers/gpu/drm/i915/display/intel_display_wa.c
View File

@ -99,6 +99,9 @@ bool __intel_display_wa(struct intel_display *display, enum intel_display_wa wa,
return DISPLAY_VER(display) == 20;
case INTEL_DISPLAY_WA_15018326506:
return display->platform.battlemage;
case INTEL_DISPLAY_WA_16011342517:
return display->platform.alderlake_p &&
IS_DISPLAY_STEP(display, STEP_A0, STEP_D0);
case INTEL_DISPLAY_WA_16023588340:
return intel_display_needs_wa_16023588340(display);
case INTEL_DISPLAY_WA_16025573575:

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

@ -38,6 +38,7 @@ enum intel_display_wa {
INTEL_DISPLAY_WA_14025769978,
INTEL_DISPLAY_WA_15013987218,
INTEL_DISPLAY_WA_15018326506,
INTEL_DISPLAY_WA_16011342517,
INTEL_DISPLAY_WA_16023588340,
INTEL_DISPLAY_WA_16025573575,
INTEL_DISPLAY_WA_22010178259,