diff options
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_txp.c | 14 |
2 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h index 27deb4cde02d..984fddae0048 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.h +++ b/drivers/gpu/drm/vc4/vc4_drv.h @@ -539,6 +539,7 @@ struct vc4_crtc_data { struct vc4_txp_data { struct vc4_crtc_data base; unsigned int has_byte_enable:1; + unsigned int size_minus_one:1; }; extern const struct vc4_txp_data bcm2835_txp_data; diff --git a/drivers/gpu/drm/vc4/vc4_txp.c b/drivers/gpu/drm/vc4/vc4_txp.c index eaf30b2cfb5b..d2ee872e9c0b 100644 --- a/drivers/gpu/drm/vc4/vc4_txp.c +++ b/drivers/gpu/drm/vc4/vc4_txp.c @@ -291,6 +291,8 @@ static void vc4_txp_connector_atomic_commit(struct drm_connector *conn, struct drm_gem_dma_object *gem; struct drm_display_mode *mode; struct drm_framebuffer *fb; + unsigned int hdisplay; + unsigned int vdisplay; u32 ctrl; int idx; int i; @@ -330,9 +332,17 @@ static void vc4_txp_connector_atomic_commit(struct drm_connector *conn, gem = drm_fb_dma_get_gem_obj(fb, 0); TXP_WRITE(TXP_DST_PTR, gem->dma_addr + fb->offsets[0]); TXP_WRITE(TXP_DST_PITCH, fb->pitches[0]); + + hdisplay = mode->hdisplay ?: 1; + vdisplay = mode->vdisplay ?: 1; + if (txp_data->size_minus_one) { + hdisplay -= 1; + vdisplay -= 1; + } + TXP_WRITE(TXP_DIM, - VC4_SET_FIELD(mode->hdisplay, TXP_WIDTH) | - VC4_SET_FIELD(mode->vdisplay, TXP_HEIGHT)); + VC4_SET_FIELD(hdisplay, TXP_WIDTH) | + VC4_SET_FIELD(vdisplay, TXP_HEIGHT)); TXP_WRITE(TXP_DST_CTRL, ctrl); |