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| author | Marek Vasut <marek.vasut+renesas@mailbox.org> | 2025-06-08 16:28:17 +0200 |
|---|---|---|
| committer | Neil Armstrong <neil.armstrong@linaro.org> | 2025-06-10 14:09:43 +0200 |
| commit | 2f7e4a6997362a929419fc352ad8f424143ae482 (patch) | |
| tree | 3de31b54232416b96e93b5428e4dfb88de55ad34 /drivers/gpu | |
| parent | dt-bindings: ili9881c: Document 7" Raspberry Pi 720x1280 (diff) | |
| download | linux-2f7e4a6997362a929419fc352ad8f424143ae482.tar.gz linux-2f7e4a6997362a929419fc352ad8f424143ae482.zip | |
drm/panel: ilitek-ili9881c: Allow configuration of the number of lanes
Not all panels use all 4 data lanes, so allow configuration based
on the compatible string.
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250608142908.54121-2-marek.vasut+renesas@mailbox.org
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c index aa4192def093..0ac22415d167 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c @@ -43,6 +43,7 @@ struct ili9881c_desc { const struct drm_display_mode *mode; const unsigned long mode_flags; u8 default_address_mode; + unsigned int lanes; }; struct ili9881c { @@ -1548,7 +1549,7 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi) dsi->mode_flags = ctx->desc->mode_flags; dsi->format = MIPI_DSI_FMT_RGB888; - dsi->lanes = 4; + dsi->lanes = ctx->desc->lanes; return mipi_dsi_attach(dsi); } @@ -1566,6 +1567,7 @@ static const struct ili9881c_desc lhr050h41_desc = { .init_length = ARRAY_SIZE(lhr050h41_init), .mode = &lhr050h41_default_mode, .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE, + .lanes = 4, }; static const struct ili9881c_desc k101_im2byl02_desc = { @@ -1573,6 +1575,7 @@ static const struct ili9881c_desc k101_im2byl02_desc = { .init_length = ARRAY_SIZE(k101_im2byl02_init), .mode = &k101_im2byl02_default_mode, .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE, + .lanes = 4, }; static const struct ili9881c_desc kd050hdfia020_desc = { @@ -1598,6 +1601,7 @@ static const struct ili9881c_desc w552946aba_desc = { .mode = &w552946aba_default_mode, .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET, + .lanes = 4, }; static const struct ili9881c_desc am8001280g_desc = { |