[PATCH] drm/msm/dp: add linux/io.h header to fix build errors

[Dmitry Baryshkov]

On Tue, Jun 17, 2025 at 11:56:11AM -0700, Randy Dunlap wrote:
> Add <linux/io.h> header to pull in readl/writel and friends.
> This eliminates the following build errors:
> 
> drivers/gpu/drm/msm/dp/dp_panel.c: In function 'msm_dp_read_link':
> drivers/gpu/drm/msm/dp/dp_panel.c:33:16: error: implicit declaration of function 'readl_relaxed' [-Wimplicit-function-declaration]
>    33 |         return readl_relaxed(panel->link_base + offset);
> drivers/gpu/drm/msm/dp/dp_panel.c: In function 'msm_dp_write_link':
> drivers/gpu/drm/msm/dp/dp_panel.c:43:9: error: implicit declaration of function 'writel' [-Wimplicit-function-declaration]
>    43 |         writel(data, panel->link_base + offset);
> 
> Fixes: d7e3bee925bd ("drm/msm/dp: drop the msm_dp_catalog module")
> Signed-off-by: Randy Dunlap <rdunlap at infradead.org>
> Cc: Stephen Boyd <swboyd at chromium.org>
> Cc: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> Cc: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>
> Cc: Dmitry Baryshkov <lumag at kernel.org>
> Cc: Rob Clark <robin.clark at oss.qualcomm.com>
> Cc: linux-arm-msm at vger.kernel.org
> Cc: freedreno at lists.freedesktop.org
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Cc: Maxime Ripard <mripard at kernel.org>
> Cc: Thomas Zimmermann <tzimmermann at suse.de>
> ---
>  drivers/gpu/drm/msm/dp/dp_panel.c |    2 ++
>  1 file changed, 2 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>


-- 
With best wishes
Dmitry