diff options
| author | Dillon Varone <dillon.varone@amd.com> | 2023-12-01 16:25:18 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-12-06 23:22:34 +0300 |
| commit | abd26a3252cbd1a3ae4e46d37596d176fe50b41a (patch) | |
| tree | a2521001fe72fe9e2ef905a4f3784181aa97d4ad /drivers/gpu/drm/amd/display/dc/dml2 | |
| parent | cfa96a14e89d8341a7308acc4c6168991d4fdac0 (diff) | |
| download | linux-abd26a3252cbd1a3ae4e46d37596d176fe50b41a.tar.xz | |
drm/amd/display: Add dml2 copy functions
Add function to handle deep copying dml2 context.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Chaitanya Dhere <chaitanya.dhere@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml2')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c | 29 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.h | 4 |
2 files changed, 32 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c index 8f231418870f..9d354fde6908 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c @@ -691,10 +691,15 @@ bool dml2_validate(const struct dc *in_dc, struct dc_state *context, bool fast_v return out; } +static inline struct dml2_context *dml2_allocate_memory(void) +{ + return (struct dml2_context *) kzalloc(sizeof(struct dml2_context), GFP_KERNEL); +} + bool dml2_create(const struct dc *in_dc, const struct dml2_configuration_options *config, struct dml2_context **dml2) { // Allocate Mode Lib Ctx - *dml2 = (struct dml2_context *) kzalloc(sizeof(struct dml2_context), GFP_KERNEL); + *dml2 = dml2_allocate_memory(); if (!(*dml2)) return false; @@ -745,3 +750,25 @@ void dml2_extract_dram_and_fclk_change_support(struct dml2_context *dml2, *fclk_change_support = (unsigned int) dml2->v20.dml_core_ctx.ms.support.FCLKChangeSupport[0]; *dram_clk_change_support = (unsigned int) dml2->v20.dml_core_ctx.ms.support.DRAMClockChangeSupport[0]; } + +void dml2_copy(struct dml2_context *dst_dml2, + struct dml2_context *src_dml2) +{ + /* copy Mode Lib Ctx */ + memcpy(dst_dml2, src_dml2, sizeof(struct dml2_context)); +} + +bool dml2_create_copy(struct dml2_context **dst_dml2, + struct dml2_context *src_dml2) +{ + /* Allocate Mode Lib Ctx */ + *dst_dml2 = dml2_allocate_memory(); + + if (!(*dst_dml2)) + return false; + + /* copy Mode Lib Ctx */ + dml2_copy(*dst_dml2, src_dml2); + + return true; +} diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.h b/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.h index fe15baa4bf09..0de6886969c6 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.h +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.h @@ -191,6 +191,10 @@ bool dml2_create(const struct dc *in_dc, struct dml2_context **dml2); void dml2_destroy(struct dml2_context *dml2); +void dml2_copy(struct dml2_context *dst_dml2, + struct dml2_context *src_dml2); +bool dml2_create_copy(struct dml2_context **dst_dml2, + struct dml2_context *src_dml2); /* * dml2_validate - Determines if a display configuration is supported or not. |