diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2392-drm-amd-powerplay-add-interface-to-get-uclk-dpm-tabl.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2392-drm-amd-powerplay-add-interface-to-get-uclk-dpm-tabl.patch | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2392-drm-amd-powerplay-add-interface-to-get-uclk-dpm-tabl.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2392-drm-amd-powerplay-add-interface-to-get-uclk-dpm-tabl.patch new file mode 100644 index 00000000..cfb186b1 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2392-drm-amd-powerplay-add-interface-to-get-uclk-dpm-tabl.patch @@ -0,0 +1,89 @@ +From 7ea2dfd94ac9f05c9f7791dd221d07466d9232fe Mon Sep 17 00:00:00 2001 +From: hersen wu <hersenxs.wu@amd.com> +Date: Tue, 21 May 2019 15:02:23 -0400 +Subject: [PATCH 2392/2940] drm/amd/powerplay: add interface to get uclk dpm + table + +dc needs get uclk dpm table for bandwidth calculation + +Signed-off-by: hersen wu <hersenxs.wu@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +Reviewed-by: Huang Rui <ray.huang@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + .../gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 ++ + drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 30 +++++++++++++++++++ + 2 files changed, 33 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +index 8acc17973577..ccb41fc4f74f 100644 +--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h ++++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +@@ -611,6 +611,7 @@ struct pptable_funcs { + enum smu_clk_type clk_type, + uint32_t *value); + int (*get_thermal_temperature_range)(struct smu_context *smu, struct smu_temperature_range *range); ++ int (*get_uclk_dpm_states)(struct smu_context *smu, uint32_t *clocks_in_khz, uint32_t *num_states); + }; + + struct smu_funcs +@@ -897,6 +898,8 @@ struct smu_funcs + ((smu)->funcs->register_irq_handler ? (smu)->funcs->register_irq_handler(smu) : 0) + #define smu_set_azalia_d3_pme(smu) \ + ((smu)->funcs->set_azalia_d3_pme ? (smu)->funcs->set_azalia_d3_pme((smu)) : 0) ++#define smu_get_uclk_dpm_states(smu, clocks_in_khz, num_states) \ ++ ((smu)->ppt_funcs->get_uclk_dpm_states ? (smu)->ppt_funcs->get_uclk_dpm_states((smu), (clocks_in_khz), (num_states)) : 0) + + extern int smu_get_atom_data_table(struct smu_context *smu, uint32_t table, + uint16_t *size, uint8_t *frev, uint8_t *crev, +diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +index 15413f646e5a..4db5ecd385a4 100644 +--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c ++++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +@@ -1248,6 +1248,35 @@ static int navi10_read_sensor(struct smu_context *smu, + return ret; + } + ++static int navi10_get_uclk_dpm_states(struct smu_context *smu, uint32_t *clocks_in_khz, uint32_t *num_states) ++{ ++ uint32_t num_discrete_levels = 0; ++ uint16_t *dpm_levels = NULL; ++ uint16_t i = 0; ++ struct smu_table_context *table_context = &smu->smu_table; ++ PPTable_t *driver_ppt = NULL; ++ ++ if (!clocks_in_khz || ! num_states || !table_context->driver_pptable) ++ return -EINVAL; ++ ++ driver_ppt = table_context->driver_pptable; ++ num_discrete_levels = driver_ppt->DpmDescriptor[PPCLK_UCLK].NumDiscreteLevels; ++ dpm_levels = driver_ppt->FreqTableUclk; ++ ++ if (num_discrete_levels == 0 || dpm_levels == NULL) ++ return -EINVAL; ++ ++ *num_states = num_discrete_levels; ++ for (i = 0; i < num_discrete_levels; i++) { ++ /* convert to khz */ ++ *clocks_in_khz = (*dpm_levels) * 1000; ++ clocks_in_khz++; ++ dpm_levels++; ++ } ++ ++ return 0; ++} ++ + static const struct pptable_funcs navi10_ppt_funcs = { + .tables_init = navi10_tables_init, + .alloc_dpm_context = navi10_allocate_dpm_context, +@@ -1281,6 +1310,7 @@ static const struct pptable_funcs navi10_ppt_funcs = { + .get_profiling_clk_mask = navi10_get_profiling_clk_mask, + .set_watermarks_table = navi10_set_watermarks_table, + .read_sensor = navi10_read_sensor, ++ .get_uclk_dpm_states = navi10_get_uclk_dpm_states, + }; + + void navi10_set_ppt_funcs(struct smu_context *smu) +-- +2.17.1 + |