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| author | Paul Boddie <paul@boddie.org.uk> | 2022-02-12 16:50:49 +0100 |
|---|---|---|
| committer | Paul Cercueil <paul@crapouillou.net> | 2022-02-14 12:27:01 +0000 |
| commit | 5357402398784bec925391e8d6b79d380e7b2f50 (patch) | |
| tree | 298d89e475d36d967dff1fddb6bc4f2368ee42f0 /drivers/gpu/drm/ingenic | |
| parent | c6fc836488c2ca45c06d21213f5281d668b42b95 (diff) | |
| download | linux-5357402398784bec925391e8d6b79d380e7b2f50.tar.gz linux-5357402398784bec925391e8d6b79d380e7b2f50.tar.bz2 linux-5357402398784bec925391e8d6b79d380e7b2f50.zip | |
drm/ingenic: Fix support for JZ4780 HDMI output
We have to make sure that
- JZ_LCD_OSDC_ALPHAEN is set
- plane f0 is disabled as it's not working yet
Tested on MIPS Creator CI20 board.
Signed-off-by: Paul Boddie <paul@boddie.org.uk>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Fixes: ef2f5d0aa121 ("drm/ingenic: prepare ingenic drm for later addition of JZ4780")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
[pcercuei: add proper fixes commit, slightly reword commit description]
Link: https://patchwork.freedesktop.org/patch/msgid/9d3a2000d2bb014f1afb0613537bdc523202135d.1644681054.git.hns@goldelico.com
Diffstat (limited to 'drivers/gpu/drm/ingenic')
| -rw-r--r-- | drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c index 7f10d6eed549..dcf44cb00821 100644 --- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c +++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c @@ -65,8 +65,10 @@ struct ingenic_dma_hwdescs { struct jz_soc_info { bool needs_dev_clk; bool has_osd; + bool has_alpha; bool map_noncoherent; bool use_extended_hwdesc; + bool plane_f0_not_working; unsigned int max_width, max_height; const u32 *formats_f0, *formats_f1; unsigned int num_formats_f0, num_formats_f1; @@ -453,7 +455,7 @@ static int ingenic_drm_plane_atomic_check(struct drm_plane *plane, if (!crtc) return 0; - if (plane == &priv->f0) + if (priv->soc_info->plane_f0_not_working && plane == &priv->f0) return -EINVAL; crtc_state = drm_atomic_get_existing_crtc_state(state, @@ -1055,6 +1057,7 @@ static int ingenic_drm_bind(struct device *dev, bool has_components) long parent_rate; unsigned int i, clone_mask = 0; int ret, irq; + u32 osdc = 0; soc_info = of_device_get_match_data(dev); if (!soc_info) { @@ -1312,7 +1315,10 @@ static int ingenic_drm_bind(struct device *dev, bool has_components) /* Enable OSD if available */ if (soc_info->has_osd) - regmap_write(priv->map, JZ_REG_LCD_OSDC, JZ_LCD_OSDC_OSDEN); + osdc |= JZ_LCD_OSDC_OSDEN; + if (soc_info->has_alpha) + osdc |= JZ_LCD_OSDC_ALPHAEN; + regmap_write(priv->map, JZ_REG_LCD_OSDC, osdc); mutex_init(&priv->clk_mutex); priv->clock_nb.notifier_call = ingenic_drm_update_pixclk; @@ -1511,7 +1517,9 @@ static const struct jz_soc_info jz4770_soc_info = { static const struct jz_soc_info jz4780_soc_info = { .needs_dev_clk = true, .has_osd = true, + .has_alpha = true, .use_extended_hwdesc = true, + .plane_f0_not_working = true, /* REVISIT */ .max_width = 4096, .max_height = 2048, .formats_f1 = jz4770_formats_f1, |