drm/panel/panel-sitronix-st7701: Infer horizontal pixel count from TFT mode

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The horizontal pixel count is a property of the TFT matrix. Currently the
driver hard-codes content of this register to specific value which is
only compatible with one TFT matrix, likely the TS8550B one.

Calculate the horizontal pixel count from the mode instead.

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/20220710194437.289042-7-marex@denx.de

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Marek Vasut 2022-07-10 21:44:35 +02:00 • committed by Linus Walleij

parent 82f9cee255

commit de2b491784

1 changed files with 15 additions and 6 deletions

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drivers/gpu/drm/panel/panel-sitronix-st7701.c

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