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Douglas Anderson
861b333629
[ Upstream commit6320b9199d] The mipi_dsi_dcs_nop() function returns an error but we weren't checking it in boe_panel_prepare(). Add a check. This is highly unlikely to matter in practice. If the NOP failed then likely later MIPI commands would fail too. Found by code inspection. Fixes:812562b8d8("drm/panel: boe-tv101wum-nl6: Fine tune the panel power sequence") Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20240517143643.3.Ibffbaa5b4999ac0e55f43bf353144433b099d727@changeid Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240517143643.3.Ibffbaa5b4999ac0e55f43bf353144433b099d727@changeid Signed-off-by: Sasha Levin <sashal@kernel.org>