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drm/amd/display: Preserve refcount for S3 case.

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Curent_context is zerroed out for suspend, keep the refcount.
Minor code move in dc_commit_context_no_check

Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@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:
Andrey Grodzovsky 2017-07-13 10:52:47 -04:00 committed by Alex Deucher
parent 587cdfe946
commit 60bf1860d2
1 changed files with 8 additions and 4 deletions
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12
drivers/gpu/drm/amd/display/dc/core/dc.c
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@ -977,10 +977,10 @@ static bool dc_commit_context_no_check(struct dc *dc, struct validate_context *c
dc_release_validate_context(core_dc->current_context);
dc_retain_validate_context(context);
core_dc->current_context = context;
dc_retain_validate_context(core_dc->current_context);
return (result == DC_OK);
}
@ -1065,8 +1065,6 @@ bool dc_commit_streams(
result = dc_commit_context_no_check(dc, context);
return (result == DC_OK);
fail:
dc_release_validate_context(context);
@ -1736,6 +1734,7 @@ void dc_set_power_state(
enum dc_acpi_cm_power_state power_state)
{
struct core_dc *core_dc = DC_TO_CORE(dc);
int ref_count;
switch (power_state) {
case DC_ACPI_CM_POWER_STATE_D0:
@ -1749,8 +1748,13 @@ void dc_set_power_state(
* clean state, and dc hw programming optimizations will not
* cause any trouble.
*/
/* Preserve refcount */
ref_count = core_dc->current_context->ref_count;
dc_resource_validate_ctx_destruct(core_dc->current_context);
memset(core_dc->current_context, 0,
sizeof(*core_dc->current_context));
core_dc->current_context->ref_count = ref_count;
break;
}