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drm/amdgpu: Initialize dce_virtual_crtc_helper_funcs 

For virtual display feature, initialize dce_virtual_crtc_helper_funcs.

Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Emily Deng 2016-08-08 11:32:00 +08:00 committed by Alex Deucher
parent e13273d4a4
commit f1f5ef9267
1 changed files with 128 additions and 9 deletions
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137
drivers/gpu/drm/amd/amdgpu/dce_virtual.c
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@ -134,16 +134,135 @@ static const struct drm_crtc_funcs dce_virtual_crtc_funcs = {
.page_flip = NULL,
};
static void dce_virtual_crtc_dpms(struct drm_crtc *crtc, int mode)
{
struct drm_device *dev = crtc->dev;
struct amdgpu_device *adev = dev->dev_private;
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
unsigned type;
switch (mode) {
case DRM_MODE_DPMS_ON:
amdgpu_crtc->enabled = true;
/* Make sure VBLANK and PFLIP interrupts are still enabled */
type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id);
amdgpu_irq_update(adev, &adev->crtc_irq, type);
amdgpu_irq_update(adev, &adev->pageflip_irq, type);
drm_vblank_on(dev, amdgpu_crtc->crtc_id);
break;
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
case DRM_MODE_DPMS_OFF:
drm_vblank_off(dev, amdgpu_crtc->crtc_id);
amdgpu_crtc->enabled = false;
break;
}
}
static void dce_virtual_crtc_prepare(struct drm_crtc *crtc)
{
dce_virtual_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
}
static void dce_virtual_crtc_commit(struct drm_crtc *crtc)
{
dce_virtual_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
}
static void dce_virtual_crtc_disable(struct drm_crtc *crtc)
{
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
dce_virtual_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
if (crtc->primary->fb) {
int r;
struct amdgpu_framebuffer *amdgpu_fb;
struct amdgpu_bo *rbo;
amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
r = amdgpu_bo_reserve(rbo, false);
if (unlikely(r))
DRM_ERROR("failed to reserve rbo before unpin\n");
else {
amdgpu_bo_unpin(rbo);
amdgpu_bo_unreserve(rbo);
}
}
amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
amdgpu_crtc->encoder = NULL;
amdgpu_crtc->connector = NULL;
}
static int dce_virtual_crtc_mode_set(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode,
int x, int y, struct drm_framebuffer *old_fb)
{
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
/* update the hw version fpr dpm */
amdgpu_crtc->hw_mode = *adjusted_mode;
return 0;
}
static bool dce_virtual_crtc_mode_fixup(struct drm_crtc *crtc,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct drm_encoder *encoder;
/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
if (encoder->crtc == crtc) {
amdgpu_crtc->encoder = encoder;
amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
break;
}
}
if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
amdgpu_crtc->encoder = NULL;
amdgpu_crtc->connector = NULL;
return false;
}
return true;
}
static int dce_virtual_crtc_set_base(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb)
{
return 0;
}
static void dce_virtual_crtc_load_lut(struct drm_crtc *crtc)
{
return;
}
static int dce_virtual_crtc_set_base_atomic(struct drm_crtc *crtc,
struct drm_framebuffer *fb,
int x, int y, enum mode_set_atomic state)
{
return 0;
}
static const struct drm_crtc_helper_funcs dce_virtual_crtc_helper_funcs = {
.dpms = NULL,
.mode_fixup = NULL,
.mode_set = NULL,
.mode_set_base = NULL,
.mode_set_base_atomic = NULL,
.prepare = NULL,
.commit = NULL,
.load_lut = NULL,
.disable = NULL,
.dpms = dce_virtual_crtc_dpms,
.mode_fixup = dce_virtual_crtc_mode_fixup,
.mode_set = dce_virtual_crtc_mode_set,
.mode_set_base = dce_virtual_crtc_set_base,
.mode_set_base_atomic = dce_virtual_crtc_set_base_atomic,
.prepare = dce_virtual_crtc_prepare,
.commit = dce_virtual_crtc_commit,
.load_lut = dce_virtual_crtc_load_lut,
.disable = dce_virtual_crtc_disable,
};
static int dce_virtual_crtc_init(struct amdgpu_device *adev, int index)