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path: root/drivers/gpu/drm/mediatek/mtk_drm_drv.c
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Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_drv.c')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_drv.c68
1 files changed, 37 insertions, 31 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index f22ad2882697..c86a3f54f35b 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -4,6 +4,7 @@
* Author: YT SHEN <yt.shen@mediatek.com>
*/
+#include <linux/aperture.h>
#include <linux/component.h>
#include <linux/module.h>
#include <linux/of.h>
@@ -19,6 +20,7 @@
#include <drm/drm_fbdev_dma.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_gem.h>
+#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_ioctl.h>
#include <drm/drm_of.h>
@@ -29,7 +31,6 @@
#include "mtk_ddp_comp.h"
#include "mtk_disp_drv.h"
#include "mtk_drm_drv.h"
-#include "mtk_gem.h"
#define DRIVER_NAME "mediatek"
#define DRIVER_DESC "Mediatek SoC DRM"
@@ -43,14 +44,13 @@ static const struct drm_mode_config_helper_funcs mtk_drm_mode_config_helpers = {
static struct drm_framebuffer *
mtk_drm_mode_fb_create(struct drm_device *dev,
struct drm_file *file,
+ const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *cmd)
{
- const struct drm_format_info *info = drm_get_format_info(dev, cmd);
-
if (info->num_planes != 1)
return ERR_PTR(-EINVAL);
- return drm_gem_fb_create(dev, file, cmd);
+ return drm_gem_fb_create(dev, file, info, cmd);
}
static const struct drm_mode_config_funcs mtk_drm_mode_config_funcs = {
@@ -327,6 +327,10 @@ static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = {
.min_height = 1,
};
+static const struct mtk_mmsys_driver_data mt8365_mmsys_driver_data = {
+ .mmsys_dev_num = 1,
+};
+
static const struct of_device_id mtk_drm_of_ids[] = {
{ .compatible = "mediatek,mt2701-mmsys",
.data = &mt2701_mmsys_driver_data},
@@ -354,6 +358,8 @@ static const struct of_device_id mtk_drm_of_ids[] = {
.data = &mt8195_vdosys0_driver_data},
{ .compatible = "mediatek,mt8195-vdosys1",
.data = &mt8195_vdosys1_driver_data},
+ { .compatible = "mediatek,mt8365-mmsys",
+ .data = &mt8365_mmsys_driver_data},
{ }
};
MODULE_DEVICE_TABLE(of, mtk_drm_of_ids);
@@ -389,10 +395,12 @@ static bool mtk_drm_get_all_drm_priv(struct device *dev)
continue;
drm_dev = device_find_child(&pdev->dev, NULL, mtk_drm_match);
+ put_device(&pdev->dev);
if (!drm_dev)
continue;
temp_drm_priv = dev_get_drvdata(drm_dev);
+ put_device(drm_dev);
if (!temp_drm_priv)
continue;
@@ -464,7 +472,7 @@ static int mtk_drm_kms_init(struct drm_device *drm)
ret = drmm_mode_config_init(drm);
if (ret)
- goto put_mutex_dev;
+ return ret;
drm->mode_config.min_width = 64;
drm->mode_config.min_height = 64;
@@ -482,8 +490,11 @@ static int mtk_drm_kms_init(struct drm_device *drm)
for (i = 0; i < private->data->mmsys_dev_num; i++) {
drm->dev_private = private->all_drm_private[i];
ret = component_bind_all(private->all_drm_private[i]->dev, drm);
- if (ret)
- goto put_mutex_dev;
+ if (ret) {
+ while (--i >= 0)
+ component_unbind_all(private->all_drm_private[i]->dev, drm);
+ return ret;
+ }
}
/*
@@ -555,8 +566,7 @@ static int mtk_drm_kms_init(struct drm_device *drm)
goto err_component_unbind;
}
- for (i = 0; i < private->data->mmsys_dev_num; i++)
- private->all_drm_private[i]->dma_dev = dma_dev;
+ drm_dev_set_dma_dev(drm, dma_dev);
/*
* Configure the DMA segment size to make sure we get contiguous IOVA
@@ -576,9 +586,6 @@ static int mtk_drm_kms_init(struct drm_device *drm)
err_component_unbind:
for (i = 0; i < private->data->mmsys_dev_num; i++)
component_unbind_all(private->all_drm_private[i]->dev, drm);
-put_mutex_dev:
- for (i = 0; i < private->data->mmsys_dev_num; i++)
- put_device(private->all_drm_private[i]->mutex_dev);
return ret;
}
@@ -593,26 +600,12 @@ static void mtk_drm_kms_deinit(struct drm_device *drm)
DEFINE_DRM_GEM_FOPS(mtk_drm_fops);
-/*
- * We need to override this because the device used to import the memory is
- * not dev->dev, as drm_gem_prime_import() expects.
- */
-static struct drm_gem_object *mtk_gem_prime_import(struct drm_device *dev,
- struct dma_buf *dma_buf)
-{
- struct mtk_drm_private *private = dev->dev_private;
-
- return drm_gem_prime_import_dev(dev, dma_buf, private->dma_dev);
-}
-
static const struct drm_driver mtk_drm_driver = {
.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
- .dumb_create = mtk_gem_dumb_create,
+ DRM_GEM_DMA_DRIVER_OPS,
DRM_FBDEV_DMA_DRIVER_OPS,
- .gem_prime_import = mtk_gem_prime_import,
- .gem_prime_import_sg_table = mtk_gem_prime_import_sg_table,
.fops = &mtk_drm_fops,
.name = DRIVER_NAME,
@@ -649,8 +642,10 @@ static int mtk_drm_bind(struct device *dev)
return 0;
drm = drm_dev_alloc(&mtk_drm_driver, dev);
- if (IS_ERR(drm))
- return PTR_ERR(drm);
+ if (IS_ERR(drm)) {
+ ret = PTR_ERR(drm);
+ goto err_put_dev;
+ }
private->drm_master = true;
drm->dev_private = private;
@@ -661,6 +656,10 @@ static int mtk_drm_bind(struct device *dev)
if (ret < 0)
goto err_free;
+ ret = aperture_remove_all_conflicting_devices(DRIVER_NAME);
+ if (ret < 0)
+ dev_err(dev, "Error %d while removing conflicting aperture devices", ret);
+
ret = drm_dev_register(drm, 0);
if (ret < 0)
goto err_deinit;
@@ -676,6 +675,8 @@ err_free:
drm_dev_put(drm);
for (i = 0; i < private->data->mmsys_dev_num; i++)
private->all_drm_private[i]->drm = NULL;
+err_put_dev:
+ put_device(private->mutex_dev);
return ret;
}
@@ -688,6 +689,7 @@ static void mtk_drm_unbind(struct device *dev)
drm_dev_unregister(private->drm);
mtk_drm_kms_deinit(private->drm);
drm_dev_put(private->drm);
+ put_device(private->mutex_dev);
}
private->mtk_drm_bound = false;
private->drm_master = false;
@@ -754,6 +756,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
.data = (void *)MTK_DISP_MUTEX },
{ .compatible = "mediatek,mt8195-disp-mutex",
.data = (void *)MTK_DISP_MUTEX },
+ { .compatible = "mediatek,mt8365-disp-mutex",
+ .data = (void *)MTK_DISP_MUTEX },
{ .compatible = "mediatek,mt8173-disp-od",
.data = (void *)MTK_DISP_OD },
{ .compatible = "mediatek,mt2701-disp-ovl",
@@ -810,6 +814,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
.data = (void *)MTK_DPI },
{ .compatible = "mediatek,mt8195-dp-intf",
.data = (void *)MTK_DP_INTF },
+ { .compatible = "mediatek,mt8195-dpi",
+ .data = (void *)MTK_DPI },
{ .compatible = "mediatek,mt2701-dsi",
.data = (void *)MTK_DSI },
{ .compatible = "mediatek,mt8173-dsi",
@@ -1107,7 +1113,7 @@ static int mtk_drm_probe(struct platform_device *pdev)
(void *)private->mmsys_dev,
sizeof(*private->mmsys_dev));
private->ddp_comp[DDP_COMPONENT_DRM_OVL_ADAPTOR].dev = &ovl_adaptor->dev;
- mtk_ddp_comp_init(NULL, &private->ddp_comp[DDP_COMPONENT_DRM_OVL_ADAPTOR],
+ mtk_ddp_comp_init(dev, NULL, &private->ddp_comp[DDP_COMPONENT_DRM_OVL_ADAPTOR],
DDP_COMPONENT_DRM_OVL_ADAPTOR);
component_match_add(dev, &match, compare_dev, &ovl_adaptor->dev);
}
@@ -1173,7 +1179,7 @@ static int mtk_drm_probe(struct platform_device *pdev)
node);
}
- ret = mtk_ddp_comp_init(node, &private->ddp_comp[comp_id], comp_id);
+ ret = mtk_ddp_comp_init(dev, node, &private->ddp_comp[comp_id], comp_id);
if (ret) {
of_node_put(node);
goto err_node;