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path: root/drivers/gpu/host1x/drm/dc.c
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Diffstat (limited to 'drivers/gpu/host1x/drm/dc.c')
-rw-r--r--drivers/gpu/host1x/drm/dc.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/host1x/drm/dc.c b/drivers/gpu/host1x/drm/dc.c
index 1e2060324f02..5360e5a57ecc 100644
--- a/drivers/gpu/host1x/drm/dc.c
+++ b/drivers/gpu/host1x/drm/dc.c
@@ -79,6 +79,9 @@ static int tegra_plane_disable(struct drm_plane *plane)
struct tegra_plane *p = to_tegra_plane(plane);
unsigned long value;
+ if (!plane->crtc)
+ return 0;
+
value = WINDOW_A_SELECT << p->index;
tegra_dc_writel(dc, value, DC_CMD_DISPLAY_WINDOW_HEADER);
@@ -140,6 +143,7 @@ static int tegra_dc_add_planes(struct drm_device *drm, struct tegra_dc *dc)
static int tegra_dc_set_base(struct tegra_dc *dc, int x, int y,
struct drm_framebuffer *fb)
{
+ unsigned int format = tegra_dc_format(fb->pixel_format);
struct tegra_bo *bo = tegra_fb_get_plane(fb, 0);
unsigned long value;
@@ -150,6 +154,7 @@ static int tegra_dc_set_base(struct tegra_dc *dc, int x, int y,
tegra_dc_writel(dc, bo->paddr + value, DC_WINBUF_START_ADDR);
tegra_dc_writel(dc, fb->pitches[0], DC_WIN_LINE_STRIDE);
+ tegra_dc_writel(dc, format, DC_WIN_COLOR_DEPTH);
value = GENERAL_UPDATE | WIN_A_UPDATE;
tegra_dc_writel(dc, value, DC_CMD_STATE_CONTROL);
@@ -1128,11 +1133,6 @@ static int tegra_dc_probe(struct platform_device *pdev)
return err;
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!regs) {
- dev_err(&pdev->dev, "failed to get registers\n");
- return -ENXIO;
- }
-
dc->regs = devm_ioremap_resource(&pdev->dev, regs);
if (IS_ERR(dc->regs))
return PTR_ERR(dc->regs);