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58 lines
1.8 KiB
Diff
58 lines
1.8 KiB
Diff
From 5ef3d566615961b75f85868b028193bb54727140 Mon Sep 17 00:00:00 2001
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From: popcornmix <popcornmix@gmail.com>
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Date: Tue, 18 Apr 2017 21:43:46 +0100
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Subject: [PATCH] vc4_fkms: Apply firmware overscan offset to hardware
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cursor
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---
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drivers/gpu/drm/vc4/vc4_firmware_kms.c | 17 +++++++++++++++++
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1 file changed, 17 insertions(+)
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--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
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+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
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@@ -42,6 +42,7 @@ struct vc4_crtc {
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void __iomem *regs;
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struct drm_pending_vblank_event *event;
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+ u32 overscan[4];
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};
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static inline struct vc4_crtc *to_vc4_crtc(struct drm_crtc *crtc)
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@@ -191,6 +192,7 @@ static void vc4_cursor_plane_atomic_upda
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struct drm_plane_state *old_state)
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{
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struct vc4_dev *vc4 = to_vc4_dev(plane->dev);
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+ struct vc4_crtc *vc4_crtc = to_vc4_crtc(plane->crtc);
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struct drm_plane_state *state = plane->state;
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struct drm_framebuffer *fb = state->fb;
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struct drm_gem_cma_object *bo = drm_fb_cma_get_gem_obj(fb, 0);
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@@ -216,6 +218,12 @@ static void vc4_cursor_plane_atomic_upda
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bo->paddr + fb->offsets[0],
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fb->pitches[0]);
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+ /* add on the top/left offsets when overscan is active */
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+ if (vc4_crtc) {
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+ packet_state[1] += vc4_crtc->overscan[0];
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+ packet_state[2] += vc4_crtc->overscan[1];
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+ }
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+
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ret = rpi_firmware_property(vc4->firmware,
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RPI_FIRMWARE_SET_CURSOR_STATE,
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&packet_state,
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@@ -695,6 +703,15 @@ static int vc4_fkms_bind(struct device *
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if (ret)
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goto err_destroy_connector;
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+ ret = rpi_firmware_property(vc4->firmware,
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+ RPI_FIRMWARE_FRAMEBUFFER_GET_OVERSCAN,
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+ &vc4_crtc->overscan,
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+ sizeof(vc4_crtc->overscan));
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+ if (ret) {
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+ DRM_ERROR("Failed to get overscan state: 0x%08x\n", vc4_crtc->overscan[0]);
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+ memset(&vc4_crtc->overscan, 0, sizeof(vc4_crtc->overscan));
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+ }
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+
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platform_set_drvdata(pdev, vc4_crtc);
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return 0;
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