diff options
Diffstat (limited to 'meta-steppeeagle/recipes-kernel/linux/linux-yocto/0033-yocto-amd-drm-radeon-dpm-fetch-vce-states-from-the-vbios.patch')
| -rw-r--r-- | meta-steppeeagle/recipes-kernel/linux/linux-yocto/0033-yocto-amd-drm-radeon-dpm-fetch-vce-states-from-the-vbios.patch | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/meta-steppeeagle/recipes-kernel/linux/linux-yocto/0033-yocto-amd-drm-radeon-dpm-fetch-vce-states-from-the-vbios.patch b/meta-steppeeagle/recipes-kernel/linux/linux-yocto/0033-yocto-amd-drm-radeon-dpm-fetch-vce-states-from-the-vbios.patch new file mode 100644 index 00000000..aa4de719 --- /dev/null +++ b/meta-steppeeagle/recipes-kernel/linux/linux-yocto/0033-yocto-amd-drm-radeon-dpm-fetch-vce-states-from-the-vbios.patch @@ -0,0 +1,110 @@ +From 55d04c82da7399c568896c2938a8729989e43c8d Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Wed, 4 Sep 2013 16:13:56 -0400 +Subject: [PATCH 33/44] drm/radeon/dpm: fetch vce states from the vbios + +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/radeon/r600_dpm.c | 28 +++++++++++++++++++++++++++- + drivers/gpu/drm/radeon/radeon.h | 16 ++++++++++++++++ + 2 files changed, 43 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c +index d57cde7..0bad36b 100644 +--- a/drivers/gpu/drm/radeon/r600_dpm.c ++++ b/drivers/gpu/drm/radeon/r600_dpm.c +@@ -1047,7 +1047,15 @@ int r600_parse_extended_power_table(struct radeon_device *rdev) + (mode_info->atom_context->bios + data_offset + + le16_to_cpu(ext_hdr->usVCETableOffset) + 1 + + 1 + array->ucNumEntries * sizeof(VCEClockInfo)); ++ ATOM_PPLIB_VCE_State_Table *states = ++ (ATOM_PPLIB_VCE_State_Table *) ++ (mode_info->atom_context->bios + data_offset + ++ le16_to_cpu(ext_hdr->usVCETableOffset) + 1 + ++ 1 + (array->ucNumEntries * sizeof (VCEClockInfo)) + ++ 1 + (limits->numEntries * sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record))); + ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *entry; ++ ATOM_PPLIB_VCE_State_Record *state_entry; ++ VCEClockInfo *vce_clk; + u32 size = limits->numEntries * + sizeof(struct radeon_vce_clock_voltage_dependency_entry); + rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries = +@@ -1059,8 +1067,9 @@ int r600_parse_extended_power_table(struct radeon_device *rdev) + rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.count = + limits->numEntries; + entry = &limits->entries[0]; ++ state_entry = &states->entries[0]; + for (i = 0; i < limits->numEntries; i++) { +- VCEClockInfo *vce_clk = (VCEClockInfo *) ++ vce_clk = (VCEClockInfo *) + ((u8 *)&array->entries[0] + + (entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo))); + rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].evclk = +@@ -1072,6 +1081,23 @@ int r600_parse_extended_power_table(struct radeon_device *rdev) + entry = (ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *) + ((u8 *)entry + sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record)); + } ++ for (i = 0; i < states->numEntries; i++) { ++ if (i >= RADEON_MAX_VCE_LEVELS) ++ break; ++ vce_clk = (VCEClockInfo *) ++ ((u8 *)&array->entries[0] + ++ (state_entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo))); ++ rdev->pm.dpm.vce_states[i].evclk = ++ le16_to_cpu(vce_clk->usEVClkLow) | (vce_clk->ucEVClkHigh << 16); ++ rdev->pm.dpm.vce_states[i].ecclk = ++ le16_to_cpu(vce_clk->usECClkLow) | (vce_clk->ucECClkHigh << 16); ++ rdev->pm.dpm.vce_states[i].clk_idx = ++ state_entry->ucClockInfoIndex & 0x3f; ++ rdev->pm.dpm.vce_states[i].pstate = ++ (state_entry->ucClockInfoIndex & 0xc0) >> 6; ++ state_entry = (ATOM_PPLIB_VCE_State_Record *) ++ ((u8 *)state_entry + sizeof(ATOM_PPLIB_VCE_State_Record)); ++ } + } + if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3) && + ext_hdr->usUVDTableOffset) { +diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h +index 7846289..fa57b11 100644 +--- a/drivers/gpu/drm/radeon/radeon.h ++++ b/drivers/gpu/drm/radeon/radeon.h +@@ -1253,6 +1253,8 @@ enum radeon_dpm_event_src { + RADEON_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4 + }; + ++#define RADEON_MAX_VCE_LEVELS 6 ++ + enum radeon_vce_level { + RADEON_VCE_LEVEL_AC_ALL = 0, /* AC, All cases */ + RADEON_VCE_LEVEL_DC_EE = 1, /* DC, entropy encoding */ +@@ -1448,6 +1450,17 @@ enum radeon_dpm_forced_level { + RADEON_DPM_FORCED_LEVEL_HIGH = 2, + }; + ++struct radeon_vce_state { ++ /* vce clocks */ ++ u32 evclk; ++ u32 ecclk; ++ /* gpu clocks */ ++ u32 sclk; ++ u32 mclk; ++ u8 clk_idx; ++ u8 pstate; ++}; ++ + struct radeon_dpm { + struct radeon_ps *ps; + /* number of valid power states */ +@@ -1460,6 +1473,9 @@ struct radeon_dpm { + struct radeon_ps *boot_ps; + /* default uvd power state */ + struct radeon_ps *uvd_ps; ++ /* vce requirements */ ++ struct radeon_vce_state vce_states[RADEON_MAX_VCE_LEVELS]; ++ enum radeon_vce_level vce_level; + enum radeon_pm_state_type state; + enum radeon_pm_state_type user_state; + u32 platform_caps; +-- +1.7.9.5 + |