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Diffstat (limited to 'drivers/gpu/drm/sun4i')
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_backend.c14
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_framebuffer.c2
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_frontend.c2
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_lvds.c11
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_rgb.c13
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_tcon.c18
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_tv.c6
-rw-r--r--drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c11
-rw-r--r--drivers/gpu/drm/sun4i/sun8i_csc.h2
-rw-r--r--drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c2
-rw-r--r--drivers/gpu/drm/sun4i/sun8i_mixer.c4
-rw-r--r--drivers/gpu/drm/sun4i/sun8i_ui_layer.c2
-rw-r--r--drivers/gpu/drm/sun4i/sun8i_vi_layer.c4
13 files changed, 38 insertions, 53 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c
index 072ea113e6be..77497b45f9a2 100644
--- a/drivers/gpu/drm/sun4i/sun4i_backend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_backend.c
@@ -11,6 +11,7 @@
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/of_graph.h>
+#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/reset.h>
@@ -589,8 +590,7 @@ 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++) {
@@ -769,7 +769,7 @@ static const struct sunxi_engine_ops sun4i_backend_engine_ops = {
.vblank_quirk = sun4i_backend_vblank_quirk,
};
-static struct regmap_config sun4i_backend_regmap_config = {
+static const struct regmap_config sun4i_backend_regmap_config = {
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
@@ -811,8 +811,13 @@ static int sun4i_backend_bind(struct device *dev, struct device *master,
* because of an old DT, we need to set the DMA offset by hand
* on our device since the RAM mapping is at 0 for the DMA bus,
* unlike the CPU.
+ *
+ * XXX(hch): this has no business in a driver and needs to move
+ * to the device tree.
*/
- drm->dev->dma_pfn_offset = PHYS_PFN_OFFSET;
+ ret = dma_direct_set_offset(drm->dev, PHYS_OFFSET, 0, SZ_4G);
+ if (ret)
+ return ret;
}
backend->engine.node = dev->of_node;
@@ -995,7 +1000,6 @@ 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_framebuffer.c b/drivers/gpu/drm/sun4i/sun4i_framebuffer.c
index 1568f68f9a9e..6825ef46f43f 100644
--- a/drivers/gpu/drm/sun4i/sun4i_framebuffer.c
+++ b/drivers/gpu/drm/sun4i/sun4i_framebuffer.c
@@ -35,7 +35,7 @@ static const struct drm_mode_config_funcs sun4i_de_mode_config_funcs = {
.fb_create = drm_gem_fb_create,
};
-static struct drm_mode_config_helper_funcs sun4i_de_mode_config_helpers = {
+static const struct drm_mode_config_helper_funcs sun4i_de_mode_config_helpers = {
.atomic_commit_tail = drm_atomic_helper_commit_tail_rpm,
};
diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c
index ec2a032e07b9..b51cc685c13a 100644
--- a/drivers/gpu/drm/sun4i/sun4i_frontend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c
@@ -545,7 +545,7 @@ int sun4i_frontend_enable(struct sun4i_frontend *frontend)
}
EXPORT_SYMBOL(sun4i_frontend_enable);
-static struct regmap_config sun4i_frontend_regmap_config = {
+static const struct regmap_config sun4i_frontend_regmap_config = {
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
diff --git a/drivers/gpu/drm/sun4i/sun4i_lvds.c b/drivers/gpu/drm/sun4i/sun4i_lvds.c
index ffda3184aa12..ac570437172e 100644
--- a/drivers/gpu/drm/sun4i/sun4i_lvds.c
+++ b/drivers/gpu/drm/sun4i/sun4i_lvds.c
@@ -47,16 +47,13 @@ static int sun4i_lvds_get_modes(struct drm_connector *connector)
return drm_panel_get_modes(lvds->panel, connector);
}
-static struct drm_connector_helper_funcs sun4i_lvds_con_helper_funcs = {
+static const struct drm_connector_helper_funcs sun4i_lvds_con_helper_funcs = {
.get_modes = sun4i_lvds_get_modes,
};
static void
sun4i_lvds_connector_destroy(struct drm_connector *connector)
{
- struct sun4i_lvds *lvds = drm_connector_to_sun4i_lvds(connector);
-
- drm_panel_detach(lvds->panel);
drm_connector_cleanup(connector);
}
@@ -141,12 +138,6 @@ int sun4i_lvds_init(struct drm_device *drm, struct sun4i_tcon *tcon)
drm_connector_attach_encoder(&lvds->connector,
&lvds->encoder);
-
- ret = drm_panel_attach(lvds->panel, &lvds->connector);
- if (ret) {
- dev_err(drm->dev, "Couldn't attach our panel\n");
- goto err_cleanup_connector;
- }
}
if (bridge) {
diff --git a/drivers/gpu/drm/sun4i/sun4i_rgb.c b/drivers/gpu/drm/sun4i/sun4i_rgb.c
index 5a7d43939ae6..e172426eb7e9 100644
--- a/drivers/gpu/drm/sun4i/sun4i_rgb.c
+++ b/drivers/gpu/drm/sun4i/sun4i_rgb.c
@@ -138,16 +138,13 @@ out:
return MODE_OK;
}
-static struct drm_connector_helper_funcs sun4i_rgb_con_helper_funcs = {
+static const struct drm_connector_helper_funcs sun4i_rgb_con_helper_funcs = {
.get_modes = sun4i_rgb_get_modes,
};
static void
sun4i_rgb_connector_destroy(struct drm_connector *connector)
{
- struct sun4i_rgb *rgb = drm_connector_to_sun4i_rgb(connector);
-
- drm_panel_detach(rgb->panel);
drm_connector_cleanup(connector);
}
@@ -183,7 +180,7 @@ static void sun4i_rgb_encoder_disable(struct drm_encoder *encoder)
}
}
-static struct drm_encoder_helper_funcs sun4i_rgb_enc_helper_funcs = {
+static const struct drm_encoder_helper_funcs sun4i_rgb_enc_helper_funcs = {
.disable = sun4i_rgb_encoder_disable,
.enable = sun4i_rgb_encoder_enable,
.mode_valid = sun4i_rgb_mode_valid,
@@ -233,12 +230,6 @@ int sun4i_rgb_init(struct drm_device *drm, struct sun4i_tcon *tcon)
drm_connector_attach_encoder(&rgb->connector,
&rgb->encoder);
-
- ret = drm_panel_attach(rgb->panel, &rgb->connector);
- if (ret) {
- dev_err(drm->dev, "Couldn't attach our panel\n");
- goto err_cleanup_connector;
- }
}
if (rgb->bridge) {
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index 359b56e43b83..eaaf5d70e352 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 */
@@ -474,9 +474,7 @@ static void sun4i_tcon0_mode_set_lvds(struct sun4i_tcon *tcon,
SUN4I_TCON0_BASIC2_V_TOTAL(mode->crtc_vtotal * 2) |
SUN4I_TCON0_BASIC2_V_BACKPORCH(bp));
- reg = SUN4I_TCON0_LVDS_IF_CLK_SEL_TCON0 |
- SUN4I_TCON0_LVDS_IF_DATA_POL_NORMAL |
- SUN4I_TCON0_LVDS_IF_CLK_POL_NORMAL;
+ reg = SUN4I_TCON0_LVDS_IF_CLK_SEL_TCON0;
if (sun4i_tcon_get_pixel_depth(encoder) == 24)
reg |= SUN4I_TCON0_LVDS_IF_BITWIDTH_24BITS;
else
@@ -825,7 +823,7 @@ static int sun4i_tcon_init_irq(struct device *dev,
return 0;
}
-static struct regmap_config sun4i_tcon_regmap_config = {
+static const struct regmap_config sun4i_tcon_regmap_config = {
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
@@ -1433,14 +1431,18 @@ 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/sun4i_tv.c b/drivers/gpu/drm/sun4i/sun4i_tv.c
index 63f4428ac3bf..cb91bc11a0c7 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tv.c
@@ -468,7 +468,7 @@ static void sun4i_tv_mode_set(struct drm_encoder *encoder,
regmap_write(tv->regs, SUN4I_TVE_SLAVE_REG, 0);
}
-static struct drm_encoder_helper_funcs sun4i_tv_helper_funcs = {
+static const struct drm_encoder_helper_funcs sun4i_tv_helper_funcs = {
.disable = sun4i_tv_disable,
.enable = sun4i_tv_enable,
.mode_set = sun4i_tv_mode_set,
@@ -504,7 +504,7 @@ static int sun4i_tv_comp_mode_valid(struct drm_connector *connector,
return MODE_OK;
}
-static struct drm_connector_helper_funcs sun4i_tv_comp_connector_helper_funcs = {
+static const struct drm_connector_helper_funcs sun4i_tv_comp_connector_helper_funcs = {
.get_modes = sun4i_tv_comp_get_modes,
.mode_valid = sun4i_tv_comp_mode_valid,
};
@@ -523,7 +523,7 @@ static const struct drm_connector_funcs sun4i_tv_comp_connector_funcs = {
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
};
-static struct regmap_config sun4i_tv_regmap_config = {
+static const struct regmap_config sun4i_tv_regmap_config = {
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
index aa67cb037e9d..4f5efcace68e 100644
--- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
+++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
@@ -820,7 +820,7 @@ static int sun6i_dsi_get_modes(struct drm_connector *connector)
return drm_panel_get_modes(dsi->panel, connector);
}
-static struct drm_connector_helper_funcs sun6i_dsi_connector_helper_funcs = {
+static const struct drm_connector_helper_funcs sun6i_dsi_connector_helper_funcs = {
.get_modes = sun6i_dsi_get_modes,
};
@@ -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);
@@ -973,7 +973,6 @@ static int sun6i_dsi_attach(struct mipi_dsi_host *host,
dsi->panel = panel;
dsi->device = device;
- drm_panel_attach(dsi->panel, &dsi->connector);
drm_kms_helper_hotplug_event(dsi->drm);
dev_info(host->dev, "Attached device %s\n", device->name);
@@ -985,12 +984,10 @@ static int sun6i_dsi_detach(struct mipi_dsi_host *host,
struct mipi_dsi_device *device)
{
struct sun6i_dsi *dsi = host_to_sun6i_dsi(host);
- struct drm_panel *panel = dsi->panel;
dsi->panel = NULL;
dsi->device = NULL;
- drm_panel_detach(panel);
drm_kms_helper_hotplug_event(dsi->drm);
return 0;
@@ -1027,7 +1024,7 @@ 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_csc.h b/drivers/gpu/drm/sun4i/sun8i_csc.h
index f42441b1b14d..a55a38ad849c 100644
--- a/drivers/gpu/drm/sun4i/sun8i_csc.h
+++ b/drivers/gpu/drm/sun4i/sun8i_csc.h
@@ -12,7 +12,7 @@ struct sun8i_mixer;
/* VI channel CSC units offsets */
#define CCSC00_OFFSET 0xAA050
-#define CCSC01_OFFSET 0xFA000
+#define CCSC01_OFFSET 0xFA050
#define CCSC10_OFFSET 0xA0000
#define CCSC11_OFFSET 0xF0000
diff --git a/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c b/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c
index 156d00e5165b..35c2133724e2 100644
--- a/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c
+++ b/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c
@@ -534,7 +534,7 @@ void sun8i_hdmi_phy_set_ops(struct sun8i_hdmi_phy *phy,
}
}
-static struct regmap_config sun8i_hdmi_phy_regmap_config = {
+static const struct regmap_config sun8i_hdmi_phy_regmap_config = {
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c
index cc4fb916318f..5b42cf25cc86 100644
--- a/drivers/gpu/drm/sun4i/sun8i_mixer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c
@@ -303,11 +303,11 @@ static const struct sunxi_engine_ops sun8i_engine_ops = {
.layers_init = sun8i_layers_init,
};
-static struct regmap_config sun8i_mixer_regmap_config = {
+static const struct regmap_config sun8i_mixer_regmap_config = {
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
- .max_register = 0xbfffc, /* guessed */
+ .max_register = 0xffffc, /* guessed */
};
static int sun8i_mixer_of_get_id(struct device_node *node)
diff --git a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
index 54f937a7d5e7..816ad4ce8996 100644
--- a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
@@ -298,7 +298,7 @@ static void sun8i_ui_layer_atomic_update(struct drm_plane *plane,
true, zpos, old_zpos);
}
-static struct drm_plane_helper_funcs sun8i_ui_layer_helper_funcs = {
+static const struct drm_plane_helper_funcs sun8i_ui_layer_helper_funcs = {
.prepare_fb = drm_gem_fb_prepare_fb,
.atomic_check = sun8i_ui_layer_atomic_check,
.atomic_disable = sun8i_ui_layer_atomic_disable,
diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
index 22c8c5375d0d..76393fc976fe 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;
@@ -401,7 +401,7 @@ static void sun8i_vi_layer_atomic_update(struct drm_plane *plane,
true, zpos, old_zpos);
}
-static struct drm_plane_helper_funcs sun8i_vi_layer_helper_funcs = {
+static const struct drm_plane_helper_funcs sun8i_vi_layer_helper_funcs = {
.prepare_fb = drm_gem_fb_prepare_fb,
.atomic_check = sun8i_vi_layer_atomic_check,
.atomic_disable = sun8i_vi_layer_atomic_disable,
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