On 2019-11-12 10:16 a.m., mikita.lipski@xxxxxxx wrote:
From: Mikita Lipski <mikita.lipski@xxxxxxx>
[why]
The function is expected to return instance of the timing generator
therefore we shouldn't be returning boolean in integer function,
and we shouldn't be returning zero so changing it to -1.
Signed-off-by: Mikita Lipski <mikita.lipski@xxxxxxx>
I wonder if some of these were intentional for returning 0. These lines
were originally introduced for enabling seamless boot support with eDP
and I think you're guaranteed to have those resources as instance 0.
Nicholas Kazlauskas
---
drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 89b5f86cd40b..75cc58ecf647 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1866,7 +1866,7 @@ static int acquire_resource_from_hw_enabled_state(
inst = link->link_enc->funcs->get_dig_frontend(link->link_enc);
if (inst == ENGINE_ID_UNKNOWN)
- return false;
+ return -1;
for (i = 0; i < pool->stream_enc_count; i++) {
if (pool->stream_enc[i]->id == inst) {
@@ -1878,10 +1878,10 @@ static int acquire_resource_from_hw_enabled_state(
// tg_inst not found
if (i == pool->stream_enc_count)
- return false;
+ return -1;
if (tg_inst >= pool->timing_generator_count)
- return false;
+ return -1;
if (!res_ctx->pipe_ctx[tg_inst].stream) {
struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[tg_inst];
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