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path: root/drivers/gpu/drm/sun4i
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Diffstat (limited to 'drivers/gpu/drm/sun4i')
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_backend.c4
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_tcon.c12
-rw-r--r--drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c6
-rw-r--r--drivers/gpu/drm/sun4i/sun8i_vi_layer.c2
4 files changed, 13 insertions, 11 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c
index 072ea113e6be..ed5d86617802 100644
--- a/drivers/gpu/drm/sun4i/sun4i_backend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_backend.c
@@ -589,8 +589,7 @@ static int sun4i_backend_atomic_check(struct sunxi_engine *engine,
/* We can't have an alpha plane at the lowest position */
if (!backend->quirks->supports_lowest_plane_alpha &&
- (plane_states[0]->fb->format->has_alpha ||
- (plane_states[0]->alpha != DRM_BLEND_ALPHA_OPAQUE)))
+ (plane_states[0]->alpha != DRM_BLEND_ALPHA_OPAQUE))
return -EINVAL;
for (i = 1; i < num_planes; i++) {
@@ -995,7 +994,6 @@ static const struct sun4i_backend_quirks sun6i_backend_quirks = {
static const struct sun4i_backend_quirks sun7i_backend_quirks = {
.needs_output_muxing = true,
- .supports_lowest_plane_alpha = true,
};
static const struct sun4i_backend_quirks sun8i_a33_backend_quirks = {
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index 359b56e43b83..e40c542254f6 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -195,7 +195,7 @@ void sun4i_tcon_set_status(struct sun4i_tcon *tcon,
switch (encoder->encoder_type) {
case DRM_MODE_ENCODER_LVDS:
is_lvds = true;
- /* Fallthrough */
+ fallthrough;
case DRM_MODE_ENCODER_DSI:
case DRM_MODE_ENCODER_NONE:
channel = 0;
@@ -342,7 +342,7 @@ static void sun4i_tcon0_mode_set_dithering(struct sun4i_tcon *tcon,
/* R and B components are only 5 bits deep */
val |= SUN4I_TCON0_FRM_CTL_MODE_R;
val |= SUN4I_TCON0_FRM_CTL_MODE_B;
- /* Fall through */
+ fallthrough;
case MEDIA_BUS_FMT_RGB666_1X18:
case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG:
/* Fall through: enable dithering */
@@ -1433,14 +1433,18 @@ static int sun8i_r40_tcon_tv_set_mux(struct sun4i_tcon *tcon,
if (IS_ENABLED(CONFIG_DRM_SUN8I_TCON_TOP) &&
encoder->encoder_type == DRM_MODE_ENCODER_TMDS) {
ret = sun8i_tcon_top_set_hdmi_src(&pdev->dev, id);
- if (ret)
+ if (ret) {
+ put_device(&pdev->dev);
return ret;
+ }
}
if (IS_ENABLED(CONFIG_DRM_SUN8I_TCON_TOP)) {
ret = sun8i_tcon_top_de_config(&pdev->dev, tcon->id, id);
- if (ret)
+ if (ret) {
+ put_device(&pdev->dev);
return ret;
+ }
}
return 0;
diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
index aa67cb037e9d..de8a11abd66a 100644
--- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
+++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
@@ -889,7 +889,7 @@ static int sun6i_dsi_dcs_write_long(struct sun6i_dsi *dsi,
regmap_write(dsi->regs, SUN6I_DSI_CMD_TX_REG(0),
sun6i_dsi_dcs_build_pkt_hdr(dsi, msg));
- bounce = kzalloc(msg->tx_len + sizeof(crc), GFP_KERNEL);
+ bounce = kzalloc(ALIGN(msg->tx_len + sizeof(crc), 4), GFP_KERNEL);
if (!bounce)
return -ENOMEM;
@@ -900,7 +900,7 @@ static int sun6i_dsi_dcs_write_long(struct sun6i_dsi *dsi,
memcpy((u8 *)bounce + msg->tx_len, &crc, sizeof(crc));
len += sizeof(crc);
- regmap_bulk_write(dsi->regs, SUN6I_DSI_CMD_TX_REG(1), bounce, len);
+ regmap_bulk_write(dsi->regs, SUN6I_DSI_CMD_TX_REG(1), bounce, DIV_ROUND_UP(len, 4));
regmap_write(dsi->regs, SUN6I_DSI_CMD_CTL_REG, len + 4 - 1);
kfree(bounce);
@@ -1027,7 +1027,7 @@ static ssize_t sun6i_dsi_transfer(struct mipi_dsi_host *host,
ret = sun6i_dsi_dcs_read(dsi, msg);
break;
}
- /* Else, fall through */
+ fallthrough;
default:
ret = -EINVAL;
diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
index 22c8c5375d0d..c0147af6a840 100644
--- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
@@ -211,7 +211,7 @@ static int sun8i_vi_layer_update_coord(struct sun8i_mixer *mixer, int channel,
return 0;
}
-static bool sun8i_vi_layer_get_csc_mode(const struct drm_format_info *format)
+static u32 sun8i_vi_layer_get_csc_mode(const struct drm_format_info *format)
{
if (!format->is_yuv)
return SUN8I_CSC_MODE_OFF;