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author | Anitha Chrisanthus <anitha.chrisanthus@intel.com> | 2021-06-08 00:17:11 +0300 |
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committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2021-10-21 12:08:09 +0300 |
commit | 74056092ff415e7e20ce2544689b32ee811c4f0b (patch) | |
tree | f58177906e3007e5a1dfa12c383139f7a56e45a2 /drivers/gpu/drm/kmb/kmb_dsi.c | |
parent | 004d2719806fb8e355c1bccd538e82c04319d391 (diff) | |
download | linux-74056092ff415e7e20ce2544689b32ee811c4f0b.tar.xz |
drm/kmb: Enable ADV bridge after modeset
On KMB, ADV bridge must be programmed and powered on prior to
MIPI DSI HW initialization.
v2: changed to atomic_bridge_chain_enable (Sam)
Fixes: 98521f4d4b4c ("drm/kmb: Mipi DSI part of the display driver")
Co-developed-by: Edmund Dea <edmund.j.dea@intel.com>
Signed-off-by: Edmund Dea <edmund.j.dea@intel.com>
Signed-off-by: Anitha Chrisanthus <anitha.chrisanthus@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211019230719.789958-1-anitha.chrisanthus@intel.com
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/kmb/kmb_dsi.c')
-rw-r--r-- | drivers/gpu/drm/kmb/kmb_dsi.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/kmb/kmb_dsi.c b/drivers/gpu/drm/kmb/kmb_dsi.c index a0669b842ff5..f6071882054c 100644 --- a/drivers/gpu/drm/kmb/kmb_dsi.c +++ b/drivers/gpu/drm/kmb/kmb_dsi.c @@ -1331,7 +1331,8 @@ static u32 mipi_tx_init_dphy(struct kmb_dsi *kmb_dsi, return 0; } -static void connect_lcd_to_mipi(struct kmb_dsi *kmb_dsi) +static void connect_lcd_to_mipi(struct kmb_dsi *kmb_dsi, + struct drm_atomic_state *old_state) { struct regmap *msscam; @@ -1340,7 +1341,7 @@ static void connect_lcd_to_mipi(struct kmb_dsi *kmb_dsi) dev_dbg(kmb_dsi->dev, "failed to get msscam syscon"); return; } - + drm_atomic_bridge_chain_enable(adv_bridge, old_state); /* DISABLE MIPI->CIF CONNECTION */ regmap_write(msscam, MSS_MIPI_CIF_CFG, 0); @@ -1351,7 +1352,7 @@ static void connect_lcd_to_mipi(struct kmb_dsi *kmb_dsi) } int kmb_dsi_mode_set(struct kmb_dsi *kmb_dsi, struct drm_display_mode *mode, - int sys_clk_mhz) + int sys_clk_mhz, struct drm_atomic_state *old_state) { u64 data_rate; @@ -1399,7 +1400,7 @@ int kmb_dsi_mode_set(struct kmb_dsi *kmb_dsi, struct drm_display_mode *mode, /* Dphy initialization */ mipi_tx_init_dphy(kmb_dsi, &mipi_tx_init_cfg); - connect_lcd_to_mipi(kmb_dsi); + connect_lcd_to_mipi(kmb_dsi, old_state); dev_info(kmb_dsi->dev, "mipi hw initialized"); return 0; |