linux/drivers/gpu/drm/i915/display/intel_display_wa.h
Nemesa Garg 73309ed9d5 drm/i915/display: WA_14011503117
Mask the ERR_FATAL_MASK before scaler initialization.
After enabling the scaler and waiting for one frame,
unmask the previously masked bits, PS_ECC and
ERR_FATAL_MASK
Unmasking of ERR_FATAL_MASK bit is use for
validation purpose. There is no functional
impact.

v2: Remove intel_display_need_wa[Jani]
    Optimize the ecc_unmask call[Animesh]
v3: Add intel_display_wa[Jani]

Signed-off-by: Nemesa Garg <nemesa.garg@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/20250801125835.2337614-1-nemesa.garg@intel.com
2025-08-05 17:25:32 +05:30

35 lines
808 B
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2023 Intel Corporation
*/
#ifndef __INTEL_DISPLAY_WA_H__
#define __INTEL_DISPLAY_WA_H__
#include <linux/types.h>
struct intel_display;
void intel_display_wa_apply(struct intel_display *display);
#ifdef I915
static inline bool intel_display_needs_wa_16023588340(struct intel_display *display)
{
return false;
}
#else
bool intel_display_needs_wa_16023588340(struct intel_display *display);
#endif
enum intel_display_wa {
INTEL_DISPLAY_WA_16023588340,
INTEL_DISPLAY_WA_16025573575,
INTEL_DISPLAY_WA_14011503117,
};
bool __intel_display_wa(struct intel_display *display, enum intel_display_wa wa, const char *name);
#define intel_display_wa(__display, __wa) \
__intel_display_wa((__display), INTEL_DISPLAY_WA_##__wa, __stringify(__wa))
#endif