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drm/amd/display: Re-use DCE100 display_power_gating for DCE80 

Both functions are the same

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Harry Wentland 2018-01-24 11:16:49 -05:00 committed by Alex Deucher
parent 92e2239e3e
commit bbad2da8b1
3 changed files with 6 additions and 38 deletions
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2
drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.c
View File

@ -69,7 +69,7 @@ static const struct dce100_hw_seq_reg_offsets reg_offsets[] = {
******************************************************************************/
/***************************PIPE_CONTROL***********************************/
static bool dce100_enable_display_power_gating(
bool dce100_enable_display_power_gating(
struct dc *dc,
uint8_t controller_id,
struct dc_bios *dcb,

4
drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.h
View File

@ -38,5 +38,9 @@ void dce100_set_bandwidth(
struct dc_state *context,
bool decrease_allowed);
bool dce100_enable_display_power_gating(struct dc *dc, uint8_t controller_id,
struct dc_bios *dcb,
enum pipe_gating_control power_gating);
#endif /* __DC_HWSS_DCE100_H__ */

38
drivers/gpu/drm/amd/display/dc/dce80/dce80_hw_sequencer.c
View File

@ -70,47 +70,11 @@ static const struct dce80_hw_seq_reg_offsets reg_offsets[] = {
/***************************PIPE_CONTROL***********************************/
static bool dce80_enable_display_power_gating(
struct dc *dc,
uint8_t controller_id,
struct dc_bios *dcb,
enum pipe_gating_control power_gating)
{
enum bp_result bp_result = BP_RESULT_OK;
enum bp_pipe_control_action cntl;
struct dc_context *ctx = dc->ctx;
if (power_gating == PIPE_GATING_CONTROL_INIT)
cntl = ASIC_PIPE_INIT;
else if (power_gating == PIPE_GATING_CONTROL_ENABLE)
cntl = ASIC_PIPE_ENABLE;
else
cntl = ASIC_PIPE_DISABLE;
if (!(power_gating == PIPE_GATING_CONTROL_INIT && controller_id != 0)){
bp_result = dcb->funcs->enable_disp_power_gating(
dcb, controller_id + 1, cntl);
/* Revert MASTER_UPDATE_MODE to 0 because bios sets it 2
* by default when command table is called
*/
dm_write_reg(ctx,
HW_REG_CRTC(mmMASTER_UPDATE_MODE, controller_id),
0);
}
if (bp_result == BP_RESULT_OK)
return true;
else
return false;
}
void dce80_hw_sequencer_construct(struct dc *dc)
{
dce110_hw_sequencer_construct(dc);
dc->hwss.enable_display_power_gating = dce80_enable_display_power_gating;
dc->hwss.enable_display_power_gating = dce100_enable_display_power_gating;
dc->hwss.pipe_control_lock = dce_pipe_control_lock;
dc->hwss.set_bandwidth = dce100_set_bandwidth;
}