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drm/meson: osd_afbcd: Add an exit callback to struct meson_afbcd_ops 

Use this to simplify the driver shutdown. It will also come handy when
fixing the error handling in meson_drv_bind_master().

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Fixes: d1b5e41e13 ("drm/meson: Add AFBCD module driver")
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211230235515.1627522-2-martin.blumenstingl@googlemail.com
This commit is contained in:
Martin Blumenstingl 2021-12-31 00:55:14 +01:00 committed by Neil Armstrong
parent 6edf615618
commit 04b8a5d9cf
3 changed files with 30 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/meson/meson_drv.c
View File

@ -385,10 +385,8 @@ static void meson_drv_unbind(struct device *dev)
free_irq(priv->vsync_irq, drm);
drm_dev_put(drm);
if (priv->afbcd.ops) {
priv->afbcd.ops->reset(priv);
meson_rdma_free(priv);
}
if (priv->afbcd.ops)
priv->afbcd.ops->exit(priv);
}
static const struct component_master_ops meson_drv_master_ops = {

41
drivers/gpu/drm/meson/meson_osd_afbcd.c
View File

@ -79,11 +79,6 @@ static bool meson_gxm_afbcd_supported_fmt(u64 modifier, uint32_t format)
return meson_gxm_afbcd_pixel_fmt(modifier, format) >= 0;
}
static int meson_gxm_afbcd_init(struct meson_drm *priv)
{
return 0;
}
static int meson_gxm_afbcd_reset(struct meson_drm *priv)
{
writel_relaxed(VIU_SW_RESET_OSD1_AFBCD,
@ -93,6 +88,16 @@ static int meson_gxm_afbcd_reset(struct meson_drm *priv)
return 0;
}
static int meson_gxm_afbcd_init(struct meson_drm *priv)
{
return 0;
}
static void meson_gxm_afbcd_exit(struct meson_drm *priv)
{
meson_gxm_afbcd_reset(priv);
}
static int meson_gxm_afbcd_enable(struct meson_drm *priv)
{
writel_relaxed(FIELD_PREP(OSD1_AFBCD_ID_FIFO_THRD, 0x40) |
@ -172,6 +177,7 @@ static int meson_gxm_afbcd_setup(struct meson_drm *priv)
struct meson_afbcd_ops meson_afbcd_gxm_ops = {
.init = meson_gxm_afbcd_init,
.exit = meson_gxm_afbcd_exit,
.reset = meson_gxm_afbcd_reset,
.enable = meson_gxm_afbcd_enable,
.disable = meson_gxm_afbcd_disable,
@ -269,6 +275,18 @@ static bool meson_g12a_afbcd_supported_fmt(u64 modifier, uint32_t format)
return meson_g12a_afbcd_pixel_fmt(modifier, format) >= 0;
}
static int meson_g12a_afbcd_reset(struct meson_drm *priv)
{
meson_rdma_reset(priv);
meson_rdma_writel_sync(priv, VIU_SW_RESET_G12A_AFBC_ARB |
VIU_SW_RESET_G12A_OSD1_AFBCD,
VIU_SW_RESET);
meson_rdma_writel_sync(priv, 0, VIU_SW_RESET);
return 0;
}
static int meson_g12a_afbcd_init(struct meson_drm *priv)
{
int ret;
@ -286,16 +304,10 @@ static int meson_g12a_afbcd_init(struct meson_drm *priv)
return 0;
}
static int meson_g12a_afbcd_reset(struct meson_drm *priv)
static void meson_g12a_afbcd_exit(struct meson_drm *priv)
{
meson_rdma_reset(priv);
meson_rdma_writel_sync(priv, VIU_SW_RESET_G12A_AFBC_ARB |
VIU_SW_RESET_G12A_OSD1_AFBCD,
VIU_SW_RESET);
meson_rdma_writel_sync(priv, 0, VIU_SW_RESET);
return 0;
meson_g12a_afbcd_reset(priv);
meson_rdma_free(priv);
}
static int meson_g12a_afbcd_enable(struct meson_drm *priv)
@ -380,6 +392,7 @@ static int meson_g12a_afbcd_setup(struct meson_drm *priv)
struct meson_afbcd_ops meson_afbcd_g12a_ops = {
.init = meson_g12a_afbcd_init,
.exit = meson_g12a_afbcd_exit,
.reset = meson_g12a_afbcd_reset,
.enable = meson_g12a_afbcd_enable,
.disable = meson_g12a_afbcd_disable,

1
drivers/gpu/drm/meson/meson_osd_afbcd.h
View File

@ -14,6 +14,7 @@
struct meson_afbcd_ops {
int (*init)(struct meson_drm *priv);
void (*exit)(struct meson_drm *priv);
int (*reset)(struct meson_drm *priv);
int (*enable)(struct meson_drm *priv);
int (*disable)(struct meson_drm *priv);