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authorAlex Deucher <alexander.deucher@amd.com>2013-06-27 18:54:46 -0400
committerAlex Deucher <alexander.deucher@amd.com>2013-06-27 19:16:12 -0400
commit5d77d776416a8881e49d42a30e0eaa919fc98ba5 (patch)
tree6dc48c87becb61cbc96d7cd7f8a44f0813ba8fe5 /drivers/gpu/drm/radeon/rv770_dpm.c
parentc70d45536c2e76751dd036951c523e1401eb6e07 (diff)
drm/radeon/dpm/rv7xx: restructure code
Needed to properly handle dynamic state adjustment. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770_dpm.c')
-rw-r--r--drivers/gpu/drm/radeon/rv770_dpm.c77
1 files changed, 41 insertions, 36 deletions
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
index d3a55b792bd6..3c2866e7ca5b 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.c
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -1155,10 +1155,10 @@ static int rv770_populate_smc_mvdd_table(struct radeon_device *rdev,
return 0;
}
-static int rv770_init_smc_table(struct radeon_device *rdev)
+static int rv770_init_smc_table(struct radeon_device *rdev,
+ struct radeon_ps *radeon_boot_state)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
- struct radeon_ps *radeon_boot_state = rdev->pm.dpm.boot_ps;
struct rv7xx_ps *boot_state = rv770_get_ps(radeon_boot_state);
RV770_SMC_STATETABLE *table = &pi->smc_statetable;
int ret;
@@ -1364,10 +1364,9 @@ static void rv770_enable_dynamic_pcie_gen2(struct radeon_device *rdev,
WREG32_P(GENERAL_PWRMGT, 0, ~ENABLE_GEN2PCIE);
}
-static void r7xx_program_memory_timing_parameters(struct radeon_device *rdev)
+static void r7xx_program_memory_timing_parameters(struct radeon_device *rdev,
+ struct radeon_ps *radeon_new_state)
{
- struct radeon_ps *radeon_new_state = rdev->pm.dpm.requested_ps;
-
if ((rdev->family == CHIP_RV730) ||
(rdev->family == CHIP_RV710) ||
(rdev->family == CHIP_RV740))
@@ -1376,10 +1375,10 @@ static void r7xx_program_memory_timing_parameters(struct radeon_device *rdev)
rv770_program_memory_timing_parameters(rdev, radeon_new_state);
}
-static int rv770_upload_sw_state(struct radeon_device *rdev)
+static int rv770_upload_sw_state(struct radeon_device *rdev,
+ struct radeon_ps *radeon_new_state)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
- struct radeon_ps *radeon_new_state = rdev->pm.dpm.requested_ps;
u16 address = pi->state_table_start +
offsetof(RV770_SMC_STATETABLE, driverState);
RV770_SMC_SWSTATE state = { 0 };
@@ -1426,36 +1425,38 @@ int rv770_set_boot_state(struct radeon_device *rdev)
return 0;
}
-void rv770_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev)
+void rv770_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
+ struct radeon_ps *new_ps,
+ struct radeon_ps *old_ps)
{
- struct rv7xx_ps *new_state = rv770_get_ps(rdev->pm.dpm.requested_ps);
- struct rv7xx_ps *current_state = rv770_get_ps(rdev->pm.dpm.current_ps);
+ struct rv7xx_ps *new_state = rv770_get_ps(new_ps);
+ struct rv7xx_ps *current_state = rv770_get_ps(old_ps);
- if ((rdev->pm.dpm.requested_ps->vclk == rdev->pm.dpm.current_ps->vclk) &&
- (rdev->pm.dpm.requested_ps->dclk == rdev->pm.dpm.current_ps->dclk))
+ if ((new_ps->vclk == old_ps->vclk) &&
+ (new_ps->dclk == old_ps->dclk))
return;
if (new_state->high.sclk >= current_state->high.sclk)
return;
- radeon_set_uvd_clocks(rdev, rdev->pm.dpm.requested_ps->vclk,
- rdev->pm.dpm.requested_ps->dclk);
+ radeon_set_uvd_clocks(rdev, new_ps->vclk, old_ps->dclk);
}
-void rv770_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev)
+void rv770_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
+ struct radeon_ps *new_ps,
+ struct radeon_ps *old_ps)
{
- struct rv7xx_ps *new_state = rv770_get_ps(rdev->pm.dpm.requested_ps);
- struct rv7xx_ps *current_state = rv770_get_ps(rdev->pm.dpm.current_ps);
+ struct rv7xx_ps *new_state = rv770_get_ps(new_ps);
+ struct rv7xx_ps *current_state = rv770_get_ps(old_ps);
- if ((rdev->pm.dpm.requested_ps->vclk == rdev->pm.dpm.current_ps->vclk) &&
- (rdev->pm.dpm.requested_ps->dclk == rdev->pm.dpm.current_ps->dclk))
+ if ((new_ps->vclk == old_ps->vclk) &&
+ (new_ps->dclk == old_ps->dclk))
return;
if (new_state->high.sclk < current_state->high.sclk)
return;
- radeon_set_uvd_clocks(rdev, rdev->pm.dpm.requested_ps->vclk,
- rdev->pm.dpm.requested_ps->dclk);
+ radeon_set_uvd_clocks(rdev, new_ps->vclk, new_ps->dclk);
}
int rv770_restrict_performance_levels_before_switch(struct radeon_device *rdev)
@@ -1720,11 +1721,11 @@ void rv770_program_response_times(struct radeon_device *rdev)
#endif
}
-static void rv770_program_dcodt_before_state_switch(struct radeon_device *rdev)
+static void rv770_program_dcodt_before_state_switch(struct radeon_device *rdev,
+ struct radeon_ps *radeon_new_state,
+ struct radeon_ps *radeon_current_state)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
- struct radeon_ps *radeon_new_state = rdev->pm.dpm.requested_ps;
- struct radeon_ps *radeon_current_state = rdev->pm.dpm.current_ps;
struct rv7xx_ps *new_state = rv770_get_ps(radeon_new_state);
struct rv7xx_ps *current_state = rv770_get_ps(radeon_current_state);
bool current_use_dc = false;
@@ -1749,11 +1750,11 @@ static void rv770_program_dcodt_before_state_switch(struct radeon_device *rdev)
rv730_program_dcodt(rdev, new_use_dc);
}
-static void rv770_program_dcodt_after_state_switch(struct radeon_device *rdev)
+static void rv770_program_dcodt_after_state_switch(struct radeon_device *rdev,
+ struct radeon_ps *radeon_new_state,
+ struct radeon_ps *radeon_current_state)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
- struct radeon_ps *radeon_new_state = rdev->pm.dpm.requested_ps;
- struct radeon_ps *radeon_current_state = rdev->pm.dpm.current_ps;
struct rv7xx_ps *new_state = rv770_get_ps(radeon_new_state);
struct rv7xx_ps *current_state = rv770_get_ps(radeon_current_state);
bool current_use_dc = false;
@@ -1873,6 +1874,7 @@ int rv770_set_thermal_temperature_range(struct radeon_device *rdev,
int rv770_dpm_enable(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
if (pi->gfx_clock_gating)
rv770_restore_cgcg(rdev);
@@ -1915,7 +1917,7 @@ int rv770_dpm_enable(struct radeon_device *rdev)
if (rv770_upload_firmware(rdev))
return -EINVAL;
/* get ucode version ? */
- if (rv770_init_smc_table(rdev))
+ if (rv770_init_smc_table(rdev, boot_ps))
return -EINVAL;
rv770_program_response_times(rdev);
r7xx_start_smc(rdev);
@@ -1990,19 +1992,21 @@ void rv770_dpm_disable(struct radeon_device *rdev)
int rv770_dpm_set_power_state(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ struct radeon_ps *new_ps = rdev->pm.dpm.requested_ps;
+ struct radeon_ps *old_ps = rdev->pm.dpm.current_ps;
rv770_restrict_performance_levels_before_switch(rdev);
- rv770_set_uvd_clock_before_set_eng_clock(rdev);
+ rv770_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps);
rv770_halt_smc(rdev);
- rv770_upload_sw_state(rdev);
- r7xx_program_memory_timing_parameters(rdev);
+ rv770_upload_sw_state(rdev, new_ps);
+ r7xx_program_memory_timing_parameters(rdev, new_ps);
if (pi->dcodt)
- rv770_program_dcodt_before_state_switch(rdev);
+ rv770_program_dcodt_before_state_switch(rdev, new_ps, old_ps);
rv770_resume_smc(rdev);
rv770_set_sw_state(rdev);
if (pi->dcodt)
- rv770_program_dcodt_after_state_switch(rdev);
- rv770_set_uvd_clock_after_set_eng_clock(rdev);
+ rv770_program_dcodt_after_state_switch(rdev, new_ps, old_ps);
+ rv770_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
rv770_unrestrict_performance_levels_after_switch(rdev);
return 0;
@@ -2011,13 +2015,14 @@ int rv770_dpm_set_power_state(struct radeon_device *rdev)
void rv770_dpm_reset_asic(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
rv770_restrict_performance_levels_before_switch(rdev);
if (pi->dcodt)
- rv770_program_dcodt_before_state_switch(rdev);
+ rv770_program_dcodt_before_state_switch(rdev, boot_ps, boot_ps);
rv770_set_boot_state(rdev);
if (pi->dcodt)
- rv770_program_dcodt_after_state_switch(rdev);
+ rv770_program_dcodt_after_state_switch(rdev, boot_ps, boot_ps);
}
void rv770_dpm_setup_asic(struct radeon_device *rdev)