drm/radeon/kms/pm: add asic specific callbacks for getting power state (v2)
This also simplifies the code and enables reclocking with multiple heads
active by tracking whether the power states are single or multi-head
capable.
Eventually, we will want to select a power state based on external
factors (AC/DC state, user selection, etc.).
(v2) Update for evergreen
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 4419858..6a9ec85 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -2368,7 +2368,7 @@
u8 rev, blocks, tmp;
int state_index = 0;
- rdev->pm.default_power_state = NULL;
+ rdev->pm.default_power_state_index = -1;
if (rdev->flags & RADEON_IS_MOBILITY) {
offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
@@ -2441,6 +2441,7 @@
if (rev > 6)
rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
RBIOS8(offset + 0x5 + 0x10);
+ rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
state_index++;
} else {
/* XXX figure out some good default low power mode for mobility cards w/out power tables */
@@ -2462,12 +2463,12 @@
rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = radeon_get_pcie_lanes(rdev);
else
rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = 16;
- rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+ rdev->pm.power_state[state_index].flags = 0;
+ rdev->pm.default_power_state_index = state_index;
rdev->pm.num_power_states = state_index + 1;
- rdev->pm.current_power_state = rdev->pm.default_power_state;
- rdev->pm.current_clock_mode =
- rdev->pm.default_power_state->default_clock_mode;
+ rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
+ rdev->pm.current_clock_mode_index = 0;
}
void radeon_external_tmds_setup(struct drm_encoder *encoder)