forked from Minki/linux
drm/amd/display: Check lid state to determine fast boot optimization.
For legacy enable boot up with lid closed, eDP information couldn't be read correctly via SBIOS_SCRATCH_3 results in eDP cannot be light up properly when open lid. Check lid state instead can resolve the issue. Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com> Reviewed-by: Eric Yang <eric.yang2@amd.com> Acked-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
parent
d0f6f1c031
commit
339cc82ae6
@ -92,6 +92,7 @@ struct dc_stream_state {
|
|||||||
int phy_pix_clk;
|
int phy_pix_clk;
|
||||||
enum signal_type signal;
|
enum signal_type signal;
|
||||||
bool dpms_off;
|
bool dpms_off;
|
||||||
|
bool lid_state_closed;
|
||||||
|
|
||||||
struct dc_stream_status status;
|
struct dc_stream_status status;
|
||||||
|
|
||||||
|
@ -1471,6 +1471,17 @@ static void disable_vga_and_power_gate_all_controllers(
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static bool is_eDP_lid_closed(struct dc_state *context)
|
||||||
|
{
|
||||||
|
int i;
|
||||||
|
|
||||||
|
for (i = 0; i < context->stream_count; i++) {
|
||||||
|
if (context->streams[i]->signal == SIGNAL_TYPE_EDP)
|
||||||
|
return context->streams[i]->lid_state_closed;
|
||||||
|
}
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
static struct dc_link *get_link_for_edp_not_in_use(
|
static struct dc_link *get_link_for_edp_not_in_use(
|
||||||
struct dc *dc,
|
struct dc *dc,
|
||||||
struct dc_state *context)
|
struct dc_state *context)
|
||||||
@ -1505,20 +1516,17 @@ static struct dc_link *get_link_for_edp_not_in_use(
|
|||||||
*/
|
*/
|
||||||
void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context)
|
void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context)
|
||||||
{
|
{
|
||||||
struct dc_bios *dcb = dc->ctx->dc_bios;
|
/* check eDP lid state:
|
||||||
|
* If lid is open, vbios already light up eDP, so we can leverage vbios and skip eDP
|
||||||
/* vbios already light up eDP, so we can leverage vbios and skip eDP
|
|
||||||
* programming
|
* programming
|
||||||
*/
|
*/
|
||||||
bool can_eDP_fast_boot_optimize =
|
bool lid_state_closed = is_eDP_lid_closed(context);
|
||||||
(dcb->funcs->get_vga_enabled_displays(dc->ctx->dc_bios) == ATOM_DISPLAY_LCD1_ACTIVE);
|
|
||||||
|
|
||||||
/* if OS doesn't light up eDP and eDP link is available, we want to disable */
|
|
||||||
struct dc_link *edp_link_to_turnoff = NULL;
|
struct dc_link *edp_link_to_turnoff = NULL;
|
||||||
|
|
||||||
if (can_eDP_fast_boot_optimize) {
|
if (!lid_state_closed) {
|
||||||
edp_link_to_turnoff = get_link_for_edp_not_in_use(dc, context);
|
edp_link_to_turnoff = get_link_for_edp_not_in_use(dc, context);
|
||||||
|
|
||||||
|
/* if OS doesn't light up eDP and eDP link is available, we want to disable */
|
||||||
if (!edp_link_to_turnoff)
|
if (!edp_link_to_turnoff)
|
||||||
dc->apply_edp_fast_boot_optimization = true;
|
dc->apply_edp_fast_boot_optimization = true;
|
||||||
}
|
}
|
||||||
|
Loading…
Reference in New Issue
Block a user