android/android_kernel_xiaomi_sm8450
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Revert "drm/mipi-dsi: use correct return type for the DSC functions"

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This reverts commit eb9635b4a9 which is
commit de1c705c50326acaceaf1f02bc5bf6f267c572bd 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: Ifeda5fca1bf9a45e7264ab123d0a69210bb506cc
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman 2024-07-16 10:25:39 +00:00
parent e4f3376872
commit 640645c85b
2 changed files with 6 additions and 6 deletions
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4
drivers/gpu/drm/drm_mipi_dsi.c
View File

@ -560,7 +560,7 @@ 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 };
@ -585,7 +585,7 @@ 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,
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 = {

4
include/drm/drm_mipi_dsi.h
View File

@ -241,8 +241,8 @@ 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,
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,