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drm/amd/display: Disable Modules at Runtime 

Add NULL check in modules

Signed-off-by: Anthony Koo <anthony.koo@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Anthony Koo 2017-01-12 14:24:11 -05:00 committed by Alex Deucher
parent fcd2f4bf8b
commit 7a1c37e00a
2 changed files with 65 additions and 36 deletions
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94
drivers/gpu/drm/amd/display/modules/freesync/freesync.c
View File

@ -205,11 +205,16 @@ static unsigned int map_index_from_stream(struct core_freesync *core_freesync,
bool mod_freesync_add_stream(struct mod_freesync *mod_freesync,
const struct dc_stream *stream, struct mod_freesync_caps *caps)
{
struct core_freesync *core_freesync =
MOD_FREESYNC_TO_CORE(mod_freesync);
struct core_stream *core_stream =
DC_STREAM_TO_CORE(stream);
struct core_dc *core_dc = DC_TO_CORE(core_freesync->dc);
struct core_stream *core_stream = NULL;
struct core_dc *core_dc = NULL;
struct core_freesync *core_freesync = NULL;
if (mod_freesync == NULL)
return false;
core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
core_stream = DC_STREAM_TO_CORE(stream);
core_dc = DC_TO_CORE(core_freesync->dc);
int persistent_freesync_enable = 0;
struct persistent_data_flag flag;
@ -270,11 +275,16 @@ bool mod_freesync_add_stream(struct mod_freesync *mod_freesync,
bool mod_freesync_remove_stream(struct mod_freesync *mod_freesync,
const struct dc_stream *stream)
{
struct core_freesync *core_freesync =
MOD_FREESYNC_TO_CORE(mod_freesync);
int i = 0;
unsigned int index = map_index_from_stream(core_freesync, stream);
struct core_freesync *core_freesync = NULL;
unsigned int index = 0;
if (mod_freesync == NULL)
return false;
core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
index = map_index_from_stream(core_freesync, stream);
dc_stream_release(core_freesync->map[index].stream);
core_freesync->map[index].stream = NULL;
/* To remove this entity, shift everything after down */
@ -621,11 +631,14 @@ static void set_static_ramp_variables(struct core_freesync *core_freesync,
void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
const struct dc_stream **streams, int num_streams)
{
struct core_freesync *core_freesync =
MOD_FREESYNC_TO_CORE(mod_freesync);
unsigned int index, v_total = 0;
struct freesync_state *state;
struct core_freesync *core_freesync = NULL;
if (mod_freesync == NULL)
return;
core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
if (core_freesync->num_entities == 0)
return;
@ -691,11 +704,15 @@ void mod_freesync_update_state(struct mod_freesync *mod_freesync,
const struct dc_stream **streams, int num_streams,
struct mod_freesync_params *freesync_params)
{
struct core_freesync *core_freesync =
MOD_FREESYNC_TO_CORE(mod_freesync);
bool freesync_program_required = false;
unsigned int stream_index;
struct freesync_state *state;
struct core_freesync *core_freesync = NULL;
if (mod_freesync == NULL)
return;
core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
if (core_freesync->num_entities == 0)
return;
@ -762,10 +779,14 @@ bool mod_freesync_get_state(struct mod_freesync *mod_freesync,
const struct dc_stream *stream,
struct mod_freesync_params *freesync_params)
{
struct core_freesync *core_freesync =
MOD_FREESYNC_TO_CORE(mod_freesync);
unsigned int index = NULL;
struct core_freesync *core_freesync = NULL;
unsigned int index = map_index_from_stream(core_freesync, stream);
if (mod_freesync == NULL)
return false;
core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
index = map_index_from_stream(core_freesync, stream);
if (core_freesync->map[index].state.fullscreen) {
freesync_params->state = FREESYNC_STATE_FULLSCREEN;
@ -794,13 +815,17 @@ bool mod_freesync_set_user_enable(struct mod_freesync *mod_freesync,
const struct dc_stream **streams, int num_streams,
struct mod_freesync_user_enable *user_enable)
{
struct core_freesync *core_freesync =
MOD_FREESYNC_TO_CORE(mod_freesync);
struct core_dc *core_dc = DC_TO_CORE(core_freesync->dc);
unsigned int stream_index, map_index;
int persistent_data = 0;
struct persistent_data_flag flag;
struct core_dc *core_dc = NULL;
struct core_freesync *core_freesync = NULL;
if (mod_freesync == NULL)
return false;
core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
core_dc = DC_TO_CORE(core_freesync->dc);
flag.save_per_edid = true;
flag.save_per_link = false;
@ -842,10 +867,14 @@ bool mod_freesync_get_user_enable(struct mod_freesync *mod_freesync,
const struct dc_stream *stream,
struct mod_freesync_user_enable *user_enable)
{
struct core_freesync *core_freesync =
MOD_FREESYNC_TO_CORE(mod_freesync);
unsigned int index = 0;
struct core_freesync *core_freesync = NULL;
unsigned int index = map_index_from_stream(core_freesync, stream);
if (mod_freesync == NULL)
return false;
core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
index = map_index_from_stream(core_freesync, stream);
*user_enable = core_freesync->map[index].user_enable;
@ -855,12 +884,15 @@ bool mod_freesync_get_user_enable(struct mod_freesync *mod_freesync,
void mod_freesync_notify_mode_change(struct mod_freesync *mod_freesync,
const struct dc_stream **streams, int num_streams)
{
struct core_freesync *core_freesync =
MOD_FREESYNC_TO_CORE(mod_freesync);
unsigned int stream_index, map_index;
unsigned min_frame_duration_in_ns, max_frame_duration_in_ns;
struct freesync_state *state;
struct core_freesync *core_freesync = NULL;
if (mod_freesync == NULL)
return;
core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
for (stream_index = 0; stream_index < num_streams; stream_index++) {
@ -1121,8 +1153,12 @@ void mod_freesync_pre_update_plane_addresses(struct mod_freesync *mod_freesync,
unsigned int curr_time_stamp_in_us)
{
unsigned int stream_index, map_index, last_render_time_in_us = 0;
struct core_freesync *core_freesync =
MOD_FREESYNC_TO_CORE(mod_freesync);
struct core_freesync *core_freesync = NULL;
if (mod_freesync == NULL)
return;
core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
for (stream_index = 0; stream_index < num_streams; stream_index++) {

7
drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h
View File

@ -109,13 +109,6 @@ bool mod_freesync_add_stream(struct mod_freesync *mod_freesync,
bool mod_freesync_remove_stream(struct mod_freesync *mod_freesync,
const struct dc_stream *stream);
/*
* Build additional parameters for dc_stream when creating stream for
* sink to support freesync
*/
void mod_freesync_update_stream(struct mod_freesync *mod_freesync,
struct dc_stream *stream);
/*
* Update the freesync state flags for each display and program
* freesync accordingly