diff options
author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2024-08-27 12:25:26 +0200 |
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committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2024-08-27 12:25:27 +0200 |
commit | f9ae00b1cfb37ccf57017bf9cd82712ee0a5316b (patch) | |
tree | 9c29f083f19c535e6fa92ee3d00b12b9647c76e3 /drivers/gpu/drm/drm_mipi_dsi.c | |
parent | 11df68c265460d4dff5d19a1313f0fff69470f98 (diff) | |
parent | f60ef67ff21ede6f3d27d439a136481446dbd8aa (diff) |
Merge tag 'drm-misc-next-2024-08-22' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
drm-misc-next for v6.12:
Cross-subsystem Changes:
string:
- add mem_is_zero()
Core Changes:
edid:
- use mem_is_zero()
Driver Changes:
ast:
- reorganize output code by type (VGA, DP, etc)
- convert to struct drm_edid
- fix BMC handling for all outputs
bridge:
- anx7625: simplify OF array handling
- dw-hdmi: simplify clock handling
- lontium-lt8912b: fix mode validation
- nwl-dsi: fix mode vsync/hsync polarity
panel:
- ili9341: fix comments
- jd9365da: fix "exit sleep" commands
- jdi-fhd-r63452: simplify error handling with DSI multi-style
helpers
- mantix-mlaf057we51: simplify error handling with DSI multi-style
helpers
- simple: support Innolux G070ACE-LH3 plus DT bindings; support
On Tat Industrial Company KD50G21-40NT-A1 plus DT bindings
- st7701: decouple DSI and DRM code; add SPI support; support Anbernic
RG28XX plus DT bindings
vc4:
- fix PM during detect
- replace DRM_ERROR() with drm_error()
- v3d: simplify clock retrieval
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20240822150710.GA243952@localhost.localdomain
Diffstat (limited to 'drivers/gpu/drm/drm_mipi_dsi.c')
-rw-r--r-- | drivers/gpu/drm/drm_mipi_dsi.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c index 2d96c0cd9b7e..2bc3973d35a1 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -1339,6 +1339,9 @@ EXPORT_SYMBOL(mipi_dsi_dcs_set_pixel_format); * @dsi: DSI peripheral device * @scanline: scanline to use as trigger * + * This function is deprecated. Use mipi_dsi_dcs_set_tear_scanline_multi() + * instead. + * * Return: 0 on success or a negative error code on failure */ int mipi_dsi_dcs_set_tear_scanline(struct mipi_dsi_device *dsi, u16 scanline) @@ -1833,6 +1836,34 @@ void mipi_dsi_dcs_set_page_address_multi(struct mipi_dsi_multi_context *ctx, } EXPORT_SYMBOL(mipi_dsi_dcs_set_page_address_multi); +/** + * mipi_dsi_dcs_set_tear_scanline_multi() - set the scanline to use as trigger for + * the Tearing Effect output signal of the display module + * @ctx: Context for multiple DSI transactions + * @scanline: scanline to use as trigger + * + * Like mipi_dsi_dcs_set_tear_scanline() but deals with errors in a way that + * makes it convenient to make several calls in a row. + */ +void mipi_dsi_dcs_set_tear_scanline_multi(struct mipi_dsi_multi_context *ctx, + u16 scanline) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + if (ctx->accum_err) + return; + + ret = mipi_dsi_dcs_set_tear_scanline(dsi, scanline); + if (ret < 0) { + ctx->accum_err = ret; + dev_err(dev, "Failed to set tear scanline: %d\n", + ctx->accum_err); + } +} +EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_scanline_multi); + static int mipi_dsi_drv_probe(struct device *dev) { struct mipi_dsi_driver *drv = to_mipi_dsi_driver(dev->driver); |