For virtual display feature, initialize dce_virtual_crtc_funcs.
Signed-off-by: Emily Deng <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/dce_virtual.c | 30 ++++++++++++++++++++++++++----
1 file changed, 26 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
index 6b9f645..b77c85e 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
@@ -125,13 +125,35 @@ static void dce_virtual_bandwidth_update(struct
amdgpu_device *adev)
return;
}
+static void dce_virtual_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16
*green,
+ u16 *blue, uint32_t start, uint32_t size)
+{
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+ int end = (start + size > 256) ? 256 : start + size, i;
+
+ /* userspace palettes are always correct as is */
+ for (i = start; i < end; i++) {
+ amdgpu_crtc->lut_r[i] = red[i] >> 6;
+ amdgpu_crtc->lut_g[i] = green[i] >> 6;
+ amdgpu_crtc->lut_b[i] = blue[i] >> 6;
+ }
+}
+
+static void dce_virtual_crtc_destroy(struct drm_crtc *crtc)
+{
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+
+ drm_crtc_cleanup(crtc);
+ kfree(amdgpu_crtc);
+}
+
static const struct drm_crtc_funcs dce_virtual_crtc_funcs = {
.cursor_set2 = NULL,
.cursor_move = NULL,
- .gamma_set = NULL,
- .set_config = NULL,
- .destroy = NULL,
- .page_flip = NULL,
+ .gamma_set = dce_virtual_crtc_gamma_set,
+ .set_config = amdgpu_crtc_set_config,
+ .destroy = dce_virtual_crtc_destroy,
+ .page_flip = amdgpu_crtc_page_flip,
};
static void dce_virtual_crtc_dpms(struct drm_crtc *crtc, int mode)
--
1.9.1
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