diff options
Diffstat (limited to 'meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/4698-drm-amdgpu-Don-t-default-to-DC-support-for-Kaveri-an.patch')
| -rw-r--r-- | meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/4698-drm-amdgpu-Don-t-default-to-DC-support-for-Kaveri-an.patch | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/4698-drm-amdgpu-Don-t-default-to-DC-support-for-Kaveri-an.patch b/meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/4698-drm-amdgpu-Don-t-default-to-DC-support-for-Kaveri-an.patch deleted file mode 100644 index 35450686..00000000 --- a/meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/4698-drm-amdgpu-Don-t-default-to-DC-support-for-Kaveri-an.patch +++ /dev/null @@ -1,60 +0,0 @@ -From 324e4e833783474043fdc2cd1671d421399ec0cf Mon Sep 17 00:00:00 2001 -From: Harry Wentland <harry.wentland@amd.com> -Date: Tue, 8 May 2018 11:33:42 -0400 -Subject: [PATCH 4698/5725] drm/amdgpu: Don't default to DC support for Kaveri - and older - -We've had a number of users report failures to detect and light up -display with DC with LVDS and VGA. These connector types are not -currently supported with DC. I'd like to add support but unfortunately -don't have a system with LVDS or VGA available. - -In order not to cause regressions we should probably fallback to the -non-DC driver for ASICs that support VGA and LVDS. - -These ASICs are: - * Bonaire - * Kabini - * Kaveri - * Mullins - -ASIC support can always be force enabled with amdgpu.dc=1 - -v2: Keep Hawaii on DC -v3: Added Mullins to the list - -Cc: stable@vger.kernel.org -Signed-off-by: Harry Wentland <harry.wentland@amd.com> -Reviewed-by: Alex Deucher <alexander.deucher@amd.com> -Signed-off-by: Alex Deucher <alexander.deucher@amd.com> ---- - drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 10 +++++++++- - 1 file changed, 9 insertions(+), 1 deletion(-) - -diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c -index b39192f..3d23d8b 100644 ---- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c -+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c -@@ -2207,10 +2207,18 @@ bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type) - switch (asic_type) { - #if defined(CONFIG_DRM_AMD_DC) - case CHIP_BONAIRE: -- case CHIP_HAWAII: - case CHIP_KAVERI: - case CHIP_KABINI: - case CHIP_MULLINS: -+ /* -+ * We have systems in the wild with these ASICs that require -+ * LVDS and VGA support which is not supported with DC. -+ * -+ * Fallback to the non-DC driver here by default so as not to -+ * cause regressions. -+ */ -+ return amdgpu_dc > 0; -+ case CHIP_HAWAII: - case CHIP_CARRIZO: - case CHIP_STONEY: - case CHIP_POLARIS10: --- -2.7.4 - |