From abbc7a3dafb91b9d4ec56b70ec9a7520f8e13334 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 19 Sep 2022 12:26:20 -0400
Subject: [PATCH] drm/amdgpu: don't register a dirty callback for non-atomic
Git-commit: abbc7a3dafb91b9d4ec56b70ec9a7520f8e13334
Patch-mainline: v6.0-rc7
References: git-fixes
Some asics still support non-atomic code paths.
Fixes: 66f99628eb2440 ("drm/amdgpu: use dirty framebuffer helper")
Reported-by: Arthur Marsh <arthur.marsh@internode.on.net>
Reviewed-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -36,6 +36,7 @@
#include <linux/pm_runtime.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_damage_helper.h>
+#include <drm/drm_drv.h>
#include <drm/drm_edid.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_fb_helper.h>
@@ -499,6 +500,11 @@ bool amdgpu_display_ddc_probe(struct amd
static const struct drm_framebuffer_funcs amdgpu_fb_funcs = {
.destroy = drm_gem_fb_destroy,
.create_handle = drm_gem_fb_create_handle,
+};
+
+static const struct drm_framebuffer_funcs amdgpu_fb_funcs_atomic = {
+ .destroy = drm_gem_fb_destroy,
+ .create_handle = drm_gem_fb_create_handle,
.dirty = drm_atomic_helper_dirtyfb,
};
@@ -547,7 +553,10 @@ int amdgpu_display_framebuffer_init(stru
int ret;
rfb->base.obj[0] = obj;
drm_helper_mode_fill_fb_struct(dev, &rfb->base, mode_cmd);
- ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs);
+ if (drm_drv_uses_atomic_modeset(dev))
+ ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs_atomic);
+ else
+ ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs);
if (ret) {
rfb->base.obj[0] = NULL;
return ret;