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drm/amd/display: Add MCIF ARB programming structures

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[WHY&HOW]
Adds required structures to configure MCIF ARB for DWB.

Signed-off-by: Dillon Varone <Dillon.Varone@amd.com>
Reviewed-by: Wayne Lin <Wayne.Lin@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dillon Varone
2026-06-16 18:21:57 -04:00
committed by Alex Deucher
parent 17ba75a0db
commit 68e188d91a
2 changed files with 22 additions and 0 deletions
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20
drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/dml_top_dchub_registers.h
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@@ -153,6 +153,13 @@ struct dml2_dchub_per_pipe_register_set {
uint32_t det_size;
};
struct dml2_mcif_per_pipe_register_set {
unsigned int time_per_pixel; // U6.6 format
unsigned int arbitration_slice;
unsigned int slice_lines;
unsigned int max_scaled_time_ns;
};
struct dml2_dchub_watermark_regs {
/* watermarks */
uint32_t urgent;
@@ -188,4 +195,17 @@ struct dml2_dchub_global_register_set {
unsigned int num_watermark_sets;
};
struct dml2_mcif_watermark_regs {
/* watermarks */
uint32_t urgent; /* (CLI) */
uint32_t uclk_pstate;
uint32_t fclk_pstate;
uint32_t temp_read_or_ppt;
};
struct dml2_mcif_global_register_set {
struct dml2_mcif_watermark_regs wm_regs[DML2_DCHUB_WATERMARK_SET_NUM];
unsigned int num_watermark_sets;
};
#endif

2
drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/dml_top_types.h
View File

@@ -436,12 +436,14 @@ struct dml2_display_cfg_programming {
} z8_stutter;
struct dml2_dchub_global_register_set global_regs;
struct dml2_mcif_global_register_set mcif_global_regs;
struct dml2_per_plane_programming plane_programming[DML2_MAX_PLANES];
struct dml2_per_stream_programming stream_programming[DML2_MAX_PLANES];
// Don't access this structure directly, access it through plane_programming.pipe_regs
struct dml2_dchub_per_pipe_register_set pipe_regs[DML2_MAX_PLANES];
struct dml2_mcif_per_pipe_register_set mcif_regs[DML2_MAX_WRITEBACK];
struct {
struct {