drm/amdgpu: Only disable prefer_shadow on hawaii

We changed it for all asics due to a hibernation regression
on hawaii, but the workaround breaks suspend on a polaris12.
Just disable it for hawaii.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=216119
Fixes: 3a4b1cc28fbd ("drm/amdgpu/display: disable prefer_shadow for generic fb helpers")
Reviewed-and-tested-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c
index 108e8e8..576849e 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c
@@ -496,8 +496,7 @@ static int amdgpu_vkms_sw_init(void *handle)
        adev_to_drm(adev)->mode_config.max_height = YRES_MAX;
 
        adev_to_drm(adev)->mode_config.preferred_depth = 24;
-       /* disable prefer shadow for now due to hibernation issues */
-       adev_to_drm(adev)->mode_config.prefer_shadow = 0;
+       adev_to_drm(adev)->mode_config.prefer_shadow = 1;
 
        adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
 

diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
index 9c964cd..288fce7 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
@@ -2796,8 +2796,7 @@ static int dce_v10_0_sw_init(void *handle)
        adev_to_drm(adev)->mode_config.max_height = 16384;
 
        adev_to_drm(adev)->mode_config.preferred_depth = 24;
-       /* disable prefer shadow for now due to hibernation issues */
-       adev_to_drm(adev)->mode_config.prefer_shadow = 0;
+       adev_to_drm(adev)->mode_config.prefer_shadow = 1;
 
        adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
 

diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
index e0ad9f2..cbe5250 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
@@ -2914,8 +2914,7 @@ static int dce_v11_0_sw_init(void *handle)
        adev_to_drm(adev)->mode_config.max_height = 16384;
 
        adev_to_drm(adev)->mode_config.preferred_depth = 24;
-       /* disable prefer shadow for now due to hibernation issues */
-       adev_to_drm(adev)->mode_config.prefer_shadow = 0;
+       adev_to_drm(adev)->mode_config.prefer_shadow = 1;
 
        adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
 

diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
index 77f5e99..b1c44fa 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
@@ -2673,8 +2673,7 @@ static int dce_v6_0_sw_init(void *handle)
        adev_to_drm(adev)->mode_config.max_width = 16384;
        adev_to_drm(adev)->mode_config.max_height = 16384;
        adev_to_drm(adev)->mode_config.preferred_depth = 24;
-       /* disable prefer shadow for now due to hibernation issues */
-       adev_to_drm(adev)->mode_config.prefer_shadow = 0;
+       adev_to_drm(adev)->mode_config.prefer_shadow = 1;
        adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
        adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
 

diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
index 802e5c7..a22b45c 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
@@ -2693,8 +2693,11 @@ static int dce_v8_0_sw_init(void *handle)
        adev_to_drm(adev)->mode_config.max_height = 16384;
 
        adev_to_drm(adev)->mode_config.preferred_depth = 24;
-       /* disable prefer shadow for now due to hibernation issues */
-       adev_to_drm(adev)->mode_config.prefer_shadow = 0;
+       if (adev->asic_type == CHIP_HAWAII)
+               /* disable prefer shadow for now due to hibernation issues */
+               adev_to_drm(adev)->mode_config.prefer_shadow = 0;
+       else
+               adev_to_drm(adev)->mode_config.prefer_shadow = 1;
 
        adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
 

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 08906c7..5140d9c 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3825,8 +3825,11 @@ static int amdgpu_dm_mode_config_init(struct amdgpu_device *adev)
        adev_to_drm(adev)->mode_config.max_height = 16384;
 
        adev_to_drm(adev)->mode_config.preferred_depth = 24;
-       /* disable prefer shadow for now due to hibernation issues */
-       adev_to_drm(adev)->mode_config.prefer_shadow = 0;
+       if (adev->asic_type == CHIP_HAWAII)
+               /* disable prefer shadow for now due to hibernation issues */
+               adev_to_drm(adev)->mode_config.prefer_shadow = 0;
+       else
+               adev_to_drm(adev)->mode_config.prefer_shadow = 1;
        /* indicates support for immediate flip */
        adev_to_drm(adev)->mode_config.async_page_flip = true;