@@ -282,6 +282,21 @@ struct mpcc_state {
* struct mpc_funcs - funcs
*/
struct mpc_funcs {
+ /**
+ * @read_mpcc_state:
+ *
+ * Read current state of a specified MPCC instance
+ *
+ * Parameters:
+ *
+ * - [in/out] mpc - MPC context.
+ * - [in] mpcc_inst - integer representing specific MPC instance
+ * - [in/out] mpcc_state - MPCC state struct where read information will be stored
+ *
+ * Return:
+ *
+ * void
+ */
void (*read_mpcc_state)(
struct mpc *mpc,
int mpcc_inst,
@@ -352,6 +367,21 @@ struct mpc_funcs {
* void
*/
void (*mpc_init)(struct mpc *mpc);
+
+ /**
+ * @mpc_init_single_inst:
+ *
+ * Reset the MPCC HW status of a single MPCC physical instance.
+ *
+ * Parameters:
+ *
+ * - [in/out] mpc - MPC context.
+ * - [in] mpcc_id - The MPCC physical instance to use for blending.
+ *
+ * Return:
+ *
+ * void
+ */
void (*mpc_init_single_inst)(
struct mpc *mpc,
unsigned int mpcc_id);
@@ -448,17 +478,69 @@ struct mpc_funcs {
struct mpc *mpc,
struct mpc_tree *tree,
struct mpcc *mpcc);
-
+ /**
+ * @get_mpcc_for_dpp_from_secondary:
+ *
+ * Retrieve a specified MPCC struct from the 'secondary' MPC tree using the provided DPP id.
+ *
+ * Parameters:
+ * - [in/out] tree - MPC tree structure that will be searched.
+ * - [in] dpp_id - DPP input for the MPCC.
+ *
+ * Return:
+ *
+ * struct mpcc* - MPCC that matched the input params
+ */
struct mpcc* (*get_mpcc_for_dpp_from_secondary)(
struct mpc_tree *tree,
int dpp_id);
+ /**
+ * @get_mpcc_for_dpp:
+ *
+ * Retrieve a specified MPCC struct from the MPC tree using the provided DPP id.
+ *
+ * Parameters:
+ * - [in/out] tree - MPC tree structure that will be searched.
+ * - [in] dpp_id - DPP input for the MPCC.
+ *
+ * Return:
+ *
+ * struct mpcc* - MPCC that matched the input params
+ */
+
struct mpcc* (*get_mpcc_for_dpp)(
struct mpc_tree *tree,
int dpp_id);
+ /**
+ * @wait_for_idle:
+ *
+ * Wait for a specific MPCC instance to become idle
+ *
+ * Parameters:
+ * - [in/out] mpc - MPC context.
+ * - [in] id - ID of the MPCC instance to wait for
+ *
+ * Return:
+ *
+ * void
+ */
void (*wait_for_idle)(struct mpc *mpc, int id);
+ /**
+ * @assert_mpcc_idle_before_connect:
+ *
+ * Assert that the specific MPCC instance is ideal before attempting to connect.
+ *
+ * Parameters:
+ * - [in/out] mpc - MPC context.
+ * - [in] mpcc_id - ID of the MPCC instance to check for
+ *
+ * Return:
+ *
+ * void
+ */
void (*assert_mpcc_idle_before_connect)(struct mpc *mpc, int mpcc_id);
void (*init_mpcc_list_from_hw)(
After making the required changes This patch fixes some of the warnings while building kernel Docs: ./drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:547: warning: Function parameter or struct member 'read_mpcc_state' not described in 'mpc_funcs' ./drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:547: warning: Function parameter or struct member 'mpc_init_single_inst' not described in 'mpc_funcs' ./drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:547: warning: Function parameter or struct member 'get_mpcc_for_dpp_from_secondary' not described in 'mpc_funcs' ./drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:547: warning: Function parameter or struct member 'get_mpcc_for_dpp' not described in 'mpc_funcs' ./drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:547: warning: Function parameter or struct member 'wait_for_idle' not described in 'mpc_funcs' ./drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:547: warning: Function parameter or struct member 'assert_mpcc_idle_before_connect' not described in 'mpc_funcs' by adding descriptions to these struct members Signed-off-by: Akshay Behl <akshaybehl231@gmail.com> --- drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h | 84 ++++++++++++++++++++- 1 file changed, 83 insertions(+), 1 deletion(-)