Commit 57bcd0a6 authored by Alex Deucher's avatar Alex Deucher

drm/amdgpu/si: fix crash on headless asics

Missing check for crtcs present.

Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=193341
https://bugs.freedesktop.org/show_bug.cgi?id=99387Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 52b679f6
...@@ -254,6 +254,9 @@ static void gmc_v6_0_mc_program(struct amdgpu_device *adev) ...@@ -254,6 +254,9 @@ static void gmc_v6_0_mc_program(struct amdgpu_device *adev)
} }
WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0); WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0);
if (adev->mode_info.num_crtc)
amdgpu_display_set_vga_render_state(adev, false);
gmc_v6_0_mc_stop(adev, &save); gmc_v6_0_mc_stop(adev, &save);
if (gmc_v6_0_wait_for_idle((void *)adev)) { if (gmc_v6_0_wait_for_idle((void *)adev)) {
...@@ -283,7 +286,6 @@ static void gmc_v6_0_mc_program(struct amdgpu_device *adev) ...@@ -283,7 +286,6 @@ static void gmc_v6_0_mc_program(struct amdgpu_device *adev)
dev_warn(adev->dev, "Wait for MC idle timedout !\n"); dev_warn(adev->dev, "Wait for MC idle timedout !\n");
} }
gmc_v6_0_mc_resume(adev, &save); gmc_v6_0_mc_resume(adev, &save);
amdgpu_display_set_vga_render_state(adev, false);
} }
static int gmc_v6_0_mc_init(struct amdgpu_device *adev) static int gmc_v6_0_mc_init(struct amdgpu_device *adev)
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment