Commit e592c73b authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nve0/disp: nvidia randomly decided to move the dithering method 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 68455a43

drivers/gpu/drm/nouveau/nvd0_display.c

+8 −1
Original line number Diff line number Diff line
@@ -363,10 +363,12 @@ nvd0_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb, 
static int

nvd0_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool update)

{

	struct drm_nouveau_private *dev_priv = nv_crtc->base.dev->dev_private;

	struct drm_device *dev = nv_crtc->base.dev;

	struct nouveau_connector *nv_connector;

	struct drm_connector *connector;

	u32 *push, mode = 0x00;

	u32 mthd;



	nv_connector = nouveau_crtc_connector_get(nv_crtc);

	connector = &nv_connector->base;
@@ -384,9 +386,14 @@ nvd0_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool update) 
		mode |= nv_connector->dithering_depth;

	}



	if (dev_priv->card_type < NV_E0)

		mthd = 0x0490 + (nv_crtc->index * 0x0300);

	else

		mthd = 0x04a0 + (nv_crtc->index * 0x0300);



	push = evo_wait(dev, EVO_MASTER, 4);

	if (push) {

		evo_mthd(push, 0x0490 + (nv_crtc->index * 0x300), 1);

		evo_mthd(push, mthd, 1);

		evo_data(push, mode);

		if (update) {

			evo_mthd(push, 0x0080, 1);