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authorEmily Deng <Emily.Deng@amd.com>2016-08-17 14:59:20 +0800
committerAlex Deucher <alexander.deucher@amd.com>2016-08-17 15:42:50 -0400
commit041aa65805de1a8af87dab2a26e52ebfe01f1963 (patch)
tree3829e66af410bf258c2b2c8a227d1d8438f77af0 /drivers/gpu/drm/amd/amdgpu/dce_virtual.c
parent89a8f30900754eb27f8f534f35be49b8202c76cd (diff)
drm/amdgpu: Hardcode virtual DCE vblank / scanout position return values
For virtual display feature, by hardcoding 0 for the vblank counter and -EINVAL for the scanout position return value, we signal to the core DRM code that there are no hardware counters we can use for these. Signed-off-by: Emily Deng <Emily.Deng@amd.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/dce_virtual.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/dce_virtual.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
index 6f533a0dbdb4..00663a7b4053 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
@@ -55,10 +55,7 @@ static void dce_virtual_vblank_wait(struct amdgpu_device *adev, int crtc)
static u32 dce_virtual_vblank_get_counter(struct amdgpu_device *adev, int crtc)
{
- if (crtc >= adev->mode_info.num_crtc)
- return 0;
- else
- return adev->ddev->vblank[crtc].count;
+ return 0;
}
static void dce_virtual_page_flip(struct amdgpu_device *adev,
@@ -70,13 +67,10 @@ static void dce_virtual_page_flip(struct amdgpu_device *adev,
static int dce_virtual_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
u32 *vbl, u32 *position)
{
- if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
- return -EINVAL;
-
*vbl = 0;
*position = 0;
- return 0;
+ return -EINVAL;
}
static bool dce_virtual_hpd_sense(struct amdgpu_device *adev,
@@ -407,6 +401,8 @@ static int dce_virtual_sw_init(void *handle)
if (r)
return r;
+ adev->ddev->max_vblank_count = 0;
+
adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
adev->ddev->mode_config.max_width = 16384;
@@ -655,7 +651,6 @@ static enum hrtimer_restart dce_virtual_vblank_timer_handle(struct hrtimer *vbla
struct amdgpu_mode_info *mode_info = container_of(vblank_timer, struct amdgpu_mode_info ,vblank_timer);
struct amdgpu_device *adev = container_of(mode_info, struct amdgpu_device ,mode_info);
unsigned crtc = 0;
- adev->ddev->vblank[0].count++;
drm_handle_vblank(adev->ddev, crtc);
dce_virtual_pageflip_irq(adev, NULL, NULL);
hrtimer_start(vblank_timer, ktime_set(0, DCE_VIRTUAL_VBLANK_PERIOD), HRTIMER_MODE_REL);
@@ -682,8 +677,6 @@ static void dce_virtual_set_crtc_vblank_interrupt_state(struct amdgpu_device *ad
hrtimer_cancel(&adev->mode_info.vblank_timer);
}
- if (!state || (state && !adev->mode_info.vsync_timer_enabled))
- adev->ddev->vblank[0].count = 0;
adev->mode_info.vsync_timer_enabled = state;
DRM_DEBUG("[FM]set crtc %d vblank interrupt state %d\n", crtc, state);
}
@@ -720,7 +713,6 @@ static int dce_virtual_crtc_irq(struct amdgpu_device *adev,
unsigned crtc = 0;
unsigned irq_type = AMDGPU_CRTC_IRQ_VBLANK1;
- adev->ddev->vblank[crtc].count++;
dce_virtual_crtc_vblank_int_ack(adev, crtc);
if (amdgpu_irq_enabled(adev, source, irq_type)) {