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| author |   Marek Vasut <marex@denx.de> | 2022-07-10 21:44:30 +0200 |
|---|---|---|
| committer |   Linus Walleij <linus.walleij@linaro.org> | 2022-07-19 10:38:54 +0200 |
| commit | a6c225be3da7edec46f96781ae07a873b2fbaa17 (patch) | |
| tree | acde3c3a8da03cf3fac6f4e88696babe19b1bfb8 /drivers | |
| parent | drm/panel/panel-sitronix-st7701: Make DSI mode flags common to ST7701 (diff) | |
| download | linux-dev-a6c225be3da7edec46f96781ae07a873b2fbaa17.tar.xz linux-dev-a6c225be3da7edec46f96781ae07a873b2fbaa17.zip | |
drm/panel/panel-sitronix-st7701: Enable DSI burst mode, LPM, non-continuous clock
The ST7701(S) is capable of DSI burst mode, which is more energy
efficient than the non-burst modes. Make use of it.
The ST7701(S) is capable of DSI non-continuous clock, since it
sources the TFT matrix driver clock from internal clock source.
The DSI non-continuous clock further reduce power utilization.
The ST7701(S) uses DSI LPM for command transmissions, make sure
this is configured correctly in the DSI mode flags.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Guido Günther <agx@sigxcpu.org>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220710194437.289042-2-marex@denx.de
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-sitronix-st7701.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7701.c b/drivers/gpu/drm/panel/panel-sitronix-st7701.c index 21a43daf5a6a..15cd16744406 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7701.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7701.c @@ -334,7 +334,8 @@ static int st7701_dsi_probe(struct mipi_dsi_device *dsi) return -ENOMEM; desc = of_device_get_match_data(&dsi->dev); - dsi->mode_flags = MIPI_DSI_MODE_VIDEO; + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_LPM | MIPI_DSI_CLOCK_NON_CONTINUOUS; dsi->format = desc->format; dsi->lanes = desc->lanes; |