| Message ID | 20240402-lg-sw43408-panel-v3-2-144f17a11a56@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/panel: add support for LG SW43408 panel | expand |
On 2024-04-02 02:51:13, Dmitry Baryshkov wrote: > The functions mipi_dsi_compression_mode() and > mipi_dsi_picture_parameter_set() return 0-or-error rather than a buffer > size. Follow example of other similar MIPI DSI functions and use int > return type instead of size_t. > > Fixes: f4dea1aaa9a1 ("drm/dsi: add helpers for DSI compression mode and PPS packets") > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> > --- > drivers/gpu/drm/drm_mipi_dsi.c | 6 +++--- > include/drm/drm_mipi_dsi.h | 6 +++--- > 2 files changed, 6 insertions(+), 6 deletions(-) > > diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c > index ef6e416522f8..9874ff6d4718 100644 > --- a/drivers/gpu/drm/drm_mipi_dsi.c > +++ b/drivers/gpu/drm/drm_mipi_dsi.c > @@ -654,7 +654,7 @@ EXPORT_SYMBOL(mipi_dsi_set_maximum_return_packet_size); > * > * Return: 0 on success or a negative error code on failure. > */ > -ssize_t mipi_dsi_compression_mode(struct mipi_dsi_device *dsi, bool enable) > +int mipi_dsi_compression_mode(struct mipi_dsi_device *dsi, bool enable) > { > /* Note: Needs updating for non-default PPS or algorithm */ > u8 tx[2] = { enable << 0, 0 }; > @@ -679,8 +679,8 @@ EXPORT_SYMBOL(mipi_dsi_compression_mode); > * > * Return: 0 on success or a negative error code on failure. > */ > -ssize_t mipi_dsi_picture_parameter_set(struct mipi_dsi_device *dsi, > - const struct drm_dsc_picture_parameter_set *pps) > +int mipi_dsi_picture_parameter_set(struct mipi_dsi_device *dsi, > + const struct drm_dsc_picture_parameter_set *pps) > { > struct mipi_dsi_msg msg = { > .channel = dsi->channel, > diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h > index c0aec0d4d664..3011d33eccbd 100644 > --- a/include/drm/drm_mipi_dsi.h > +++ b/include/drm/drm_mipi_dsi.h > @@ -241,9 +241,9 @@ int mipi_dsi_shutdown_peripheral(struct mipi_dsi_device *dsi); > int mipi_dsi_turn_on_peripheral(struct mipi_dsi_device *dsi); > int mipi_dsi_set_maximum_return_packet_size(struct mipi_dsi_device *dsi, > u16 value); > -ssize_t mipi_dsi_compression_mode(struct mipi_dsi_device *dsi, bool enable); > -ssize_t mipi_dsi_picture_parameter_set(struct mipi_dsi_device *dsi, > - const struct drm_dsc_picture_parameter_set *pps); > +int mipi_dsi_compression_mode(struct mipi_dsi_device *dsi, bool enable); > +int mipi_dsi_picture_parameter_set(struct mipi_dsi_device *dsi, > + const struct drm_dsc_picture_parameter_set *pps); > > ssize_t mipi_dsi_generic_write(struct mipi_dsi_device *dsi, const void *payload, > size_t size); > > -- > 2.39.2 >
diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c index ef6e416522f8..9874ff6d4718 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -654,7 +654,7 @@ EXPORT_SYMBOL(mipi_dsi_set_maximum_return_packet_size); * * Return: 0 on success or a negative error code on failure. */ -ssize_t mipi_dsi_compression_mode(struct mipi_dsi_device *dsi, bool enable) +int mipi_dsi_compression_mode(struct mipi_dsi_device *dsi, bool enable) { /* Note: Needs updating for non-default PPS or algorithm */ u8 tx[2] = { enable << 0, 0 }; @@ -679,8 +679,8 @@ EXPORT_SYMBOL(mipi_dsi_compression_mode); * * Return: 0 on success or a negative error code on failure. */ -ssize_t mipi_dsi_picture_parameter_set(struct mipi_dsi_device *dsi, - const struct drm_dsc_picture_parameter_set *pps) +int mipi_dsi_picture_parameter_set(struct mipi_dsi_device *dsi, + const struct drm_dsc_picture_parameter_set *pps) { struct mipi_dsi_msg msg = { .channel = dsi->channel, diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h index c0aec0d4d664..3011d33eccbd 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -241,9 +241,9 @@ int mipi_dsi_shutdown_peripheral(struct mipi_dsi_device *dsi); int mipi_dsi_turn_on_peripheral(struct mipi_dsi_device *dsi); int mipi_dsi_set_maximum_return_packet_size(struct mipi_dsi_device *dsi, u16 value); -ssize_t mipi_dsi_compression_mode(struct mipi_dsi_device *dsi, bool enable); -ssize_t mipi_dsi_picture_parameter_set(struct mipi_dsi_device *dsi, - const struct drm_dsc_picture_parameter_set *pps); +int mipi_dsi_compression_mode(struct mipi_dsi_device *dsi, bool enable); +int mipi_dsi_picture_parameter_set(struct mipi_dsi_device *dsi, + const struct drm_dsc_picture_parameter_set *pps); ssize_t mipi_dsi_generic_write(struct mipi_dsi_device *dsi, const void *payload, size_t size);
The functions mipi_dsi_compression_mode() and mipi_dsi_picture_parameter_set() return 0-or-error rather than a buffer size. Follow example of other similar MIPI DSI functions and use int return type instead of size_t. Fixes: f4dea1aaa9a1 ("drm/dsi: add helpers for DSI compression mode and PPS packets") Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> --- drivers/gpu/drm/drm_mipi_dsi.c | 6 +++--- include/drm/drm_mipi_dsi.h | 6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-)