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authorThomas Gleixner <tglx@linutronix.de>2018-07-12 22:19:58 +0200
committerThomas Gleixner <tglx@linutronix.de>2018-07-12 22:19:58 +0200
commitc6bb11147eb09bd39f316c6062455b88c905ab6e (patch)
tree5a1a6ec2970daef5fa8546741ced3ef3924bf807 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
parenta8802d97e73346bc81609df9dfba7d3306f40d87 (diff)
parentb061c7a513afe14a68af41cec7c3476befc40e95 (diff)
downloadlinux-c6bb11147eb09bd39f316c6062455b88c905ab6e.tar.bz2
Merge branch 'fortglx/4.19/time' of https://git.linaro.org/people/john.stultz/linux into timers/core
Pull timekeeping updates from John Stultz: - Make the timekeeping update more precise when NTP frequency is set directly by updating the multiplier. - Adjust selftests
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 3317d1536f4f..6e5284e6c028 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2158,10 +2158,18 @@ 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: