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Revert "drm/mipi-dsi: use correct return type for the DSC functions"

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This reverts commit dda6efae16 which is
commit de1c705c50 upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: I5941c345fe2dad0d7c124b0a3e9f9f7a69f87050
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman 2024-06-15 09:45:57 +00:00
parent 0902992e03
commit df3ad59c29
2 changed files with 6 additions and 6 deletions
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6
drivers/gpu/drm/drm_mipi_dsi.c
View File

@ -654,7 +654,7 @@ EXPORT_SYMBOL(mipi_dsi_set_maximum_return_packet_size);
*
* Return: 0 on success or a negative error code on failure.
*/
int mipi_dsi_compression_mode(struct mipi_dsi_device *dsi, bool enable)
ssize_t 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.
*/
int mipi_dsi_picture_parameter_set(struct mipi_dsi_device *dsi,
const struct drm_dsc_picture_parameter_set *pps)
ssize_t 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,

6
include/drm/drm_mipi_dsi.h
View File

@ -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);
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_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);
ssize_t mipi_dsi_generic_write(struct mipi_dsi_device *dsi, const void *payload,
size_t size);