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drm/i915/psr: Add intel_psr2_panic_force_full_update

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When the panic handler is called, configure the psr to send the full
framebuffer to the monitor, otherwise the panic screen is only
partially visible.

Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://lore.kernel.org/r/20250624091501.257661-12-jfalempe@redhat.com
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
This commit is contained in:
Jocelyn Falempe
2025-06-24 11:01:20 +02:00
committed by Maarten Lankhorst
parent 0cc88243aa
commit 98910fa0a4
3 changed files with 29 additions and 0 deletions
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7
drivers/gpu/drm/i915/display/intel_plane.c
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@@ -58,6 +58,7 @@
#include "intel_fb_pin.h"
#include "intel_fbdev.h"
#include "intel_plane.h"
#include "intel_psr.h"
#include "skl_scaler.h"
#include "skl_universal_plane.h"
#include "skl_watermark.h"
@@ -1320,6 +1321,7 @@ static unsigned int intel_4tile_get_offset(unsigned int width, unsigned int x, u
static void intel_panic_flush(struct drm_plane *plane)
{
struct intel_plane_state *plane_state = to_intel_plane_state(plane->state);
struct intel_crtc_state *crtc_state = to_intel_crtc_state(plane->state->crtc->state);
struct intel_plane *iplane = to_intel_plane(plane);
struct intel_display *display = to_intel_display(iplane);
struct drm_framebuffer *fb = plane_state->hw.fb;
@@ -1327,6 +1329,11 @@ static void intel_panic_flush(struct drm_plane *plane)
intel_bo_panic_finish(intel_fb);
if (crtc_state->enable_psr2_sel_fetch) {
/* Force a full update for psr2 */
intel_psr2_panic_force_full_update(display, crtc_state);
}
/* Flush the cache and don't disable tiling if it's the fbdev framebuffer.*/
if (intel_fb == intel_fbdev_framebuffer(display->fbdev.fbdev)) {
struct iosys_map map;