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authorMario Kleiner <mario.kleiner.de@gmail.com>2015-07-03 06:03:07 +0200
committerAlex Deucher <alexander.deucher@amd.com>2015-07-08 12:41:37 -0400
commitbd833144a23dead304744dc748f5d72d7e92d315 (patch)
tree976ed3f7269940d71f7e157cfce70457d28c1a83 /drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
parent07f18f0bb8d8d65badd8b4988b40d329fc0cc6dc (diff)
downloadlinux-bd833144a23dead304744dc748f5d72d7e92d315.tar.bz2
drm/amdgpu: Handle irqs only based on irq ring, not irq status regs.
This is a translation of the patch ... "drm/radeon: Handle irqs only based on irq ring, not irq status regs." ... for the vblank irq handling, to fix the same problem described in that patch on the new driver. Only compile tested due to lack of suitable hw. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com> CC: Michel Dänzer <michel.daenzer@amd.com> CC: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/dce_v10_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/dce_v10_0.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
index 5cde635978f9..6e77964f1b64 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
@@ -3403,19 +3403,25 @@ static int dce_v10_0_crtc_irq(struct amdgpu_device *adev,
switch (entry->src_data) {
case 0: /* vblank */
- if (disp_int & interrupt_status_offsets[crtc].vblank) {
+ if (disp_int & interrupt_status_offsets[crtc].vblank)
dce_v10_0_crtc_vblank_int_ack(adev, crtc);
- if (amdgpu_irq_enabled(adev, source, irq_type)) {
- drm_handle_vblank(adev->ddev, crtc);
- }
- DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
+ else
+ DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
+
+ if (amdgpu_irq_enabled(adev, source, irq_type)) {
+ drm_handle_vblank(adev->ddev, crtc);
}
+ DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
+
break;
case 1: /* vline */
- if (disp_int & interrupt_status_offsets[crtc].vline) {
+ if (disp_int & interrupt_status_offsets[crtc].vline)
dce_v10_0_crtc_vline_int_ack(adev, crtc);
- DRM_DEBUG("IH: D%d vline\n", crtc + 1);
- }
+ else
+ DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
+
+ DRM_DEBUG("IH: D%d vline\n", crtc + 1);
+
break;
default:
DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);