* [PATCH 1/2] drm/amd/display: disable power gating for DCN314
@ 2023-06-14 20:42 Hamza Mahfooz
2023-06-14 20:42 ` [PATCH 2/2] drm/amd/display: disable RCO " Hamza Mahfooz
0 siblings, 1 reply; 3+ messages in thread
From: Hamza Mahfooz @ 2023-06-14 20:42 UTC (permalink / raw)
To: amd-gfx
Cc: stylon.wang, Daniel Miess, Sunpeng.Li, Harry.Wentland,
qingqing.zhuo, Rodrigo.Siqueira, roman.li, solomon.chiu,
Aurabindo.Pillai, Hamza Mahfooz, wayne.lin, Bhawanpreet.Lakha,
Nicholas Kazlauskas, agustin.gutierrez, pavle.kotarac
From: Daniel Miess <daniel.miess@amd.com>
[Why]
Power gating is causing error messages on some DCN314 systems
[How]
Force disable power gating for DCN314
Fixes: 6d642c58a814 ("drm/amd/display: Re-enable DPP/HUBP Power Gating")
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Daniel Miess <daniel.miess@amd.com>
---
.../gpu/drm/amd/display/dc/dcn314/dcn314_resource.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
index a840b008d660..ef49b4d7742f 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
@@ -1883,13 +1883,6 @@ static bool dcn314_resource_construct(
/* Use pipe context based otg sync logic */
dc->config.use_pipe_ctx_sync_logic = true;
- /* Disable pipe power gating when unsupported */
- if (ctx->asic_id.hw_internal_rev == 0x01 ||
- ctx->asic_id.hw_internal_rev == 0x80) {
- dc->debug.disable_dpp_power_gate = true;
- dc->debug.disable_hubp_power_gate = true;
- }
-
/* read VBIOS LTTPR caps */
{
if (ctx->dc_bios->funcs->get_lttpr_caps) {
@@ -1910,6 +1903,11 @@ static bool dcn314_resource_construct(
dc->debug = debug_defaults_drv;
else
dc->debug = debug_defaults_diags;
+
+ /* Disable pipe power gating */
+ dc->debug.disable_dpp_power_gate = true;
+ dc->debug.disable_hubp_power_gate = true;
+
// Init the vm_helper
if (dc->vm_helper)
vm_helper_init(dc->vm_helper, 16);
--
2.40.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 2/2] drm/amd/display: disable RCO for DCN314
2023-06-14 20:42 [PATCH 1/2] drm/amd/display: disable power gating for DCN314 Hamza Mahfooz
@ 2023-06-14 20:42 ` Hamza Mahfooz
2023-06-15 14:26 ` Harry Wentland
0 siblings, 1 reply; 3+ messages in thread
From: Hamza Mahfooz @ 2023-06-14 20:42 UTC (permalink / raw)
To: amd-gfx
Cc: stylon.wang, Daniel Miess, Sunpeng.Li, Harry.Wentland,
qingqing.zhuo, Rodrigo.Siqueira, roman.li, solomon.chiu,
Aurabindo.Pillai, Hamza Mahfooz, wayne.lin, Bhawanpreet.Lakha,
Nicholas Kazlauskas, agustin.gutierrez, pavle.kotarac
From: Daniel Miess <daniel.miess@amd.com>
[Why]
RCO is causing error messages on some DCN314 systems
[How]
Force disable RCO for DCN314
Fixes: 0e1961c93839 ("drm/amd/display: Enable dcn314 DPP RCO")
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Daniel Miess <daniel.miess@amd.com>
---
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c | 2 +-
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c | 3 +++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c
index cf23d7bc560a..0746ed31d1d1 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c
@@ -332,7 +332,7 @@ static void dccg314_dpp_root_clock_control(
{
struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg);
- if (dccg->dpp_clock_gated[dpp_inst] == clock_on)
+ if (dccg->dpp_clock_gated[dpp_inst] != clock_on)
return;
if (clock_on) {
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
index ef49b4d7742f..6a9024aa3285 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
@@ -1908,6 +1908,9 @@ static bool dcn314_resource_construct(
dc->debug.disable_dpp_power_gate = true;
dc->debug.disable_hubp_power_gate = true;
+ /* Disable root clock optimization */
+ dc->debug.root_clock_optimization.u32All = 0;
+
// Init the vm_helper
if (dc->vm_helper)
vm_helper_init(dc->vm_helper, 16);
--
2.40.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH 2/2] drm/amd/display: disable RCO for DCN314
2023-06-14 20:42 ` [PATCH 2/2] drm/amd/display: disable RCO " Hamza Mahfooz
@ 2023-06-15 14:26 ` Harry Wentland
0 siblings, 0 replies; 3+ messages in thread
From: Harry Wentland @ 2023-06-15 14:26 UTC (permalink / raw)
To: Hamza Mahfooz, amd-gfx
Cc: stylon.wang, Daniel Miess, Sunpeng.Li, qingqing.zhuo,
Rodrigo.Siqueira, roman.li, solomon.chiu, Aurabindo.Pillai,
wayne.lin, Bhawanpreet.Lakha, Nicholas Kazlauskas,
agustin.gutierrez, pavle.kotarac
On 6/14/23 16:42, Hamza Mahfooz wrote:
> From: Daniel Miess <daniel.miess@amd.com>
>
> [Why]
> RCO is causing error messages on some DCN314 systems
>
> [How]
> Force disable RCO for DCN314
>
> Fixes: 0e1961c93839 ("drm/amd/display: Enable dcn314 DPP RCO")
> Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
> Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
> Signed-off-by: Daniel Miess <daniel.miess@amd.com>
Series is
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Harry
> ---
> drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c | 2 +-
> drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c | 3 +++
> 2 files changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c
> index cf23d7bc560a..0746ed31d1d1 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c
> @@ -332,7 +332,7 @@ static void dccg314_dpp_root_clock_control(
> {
> struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg);
>
> - if (dccg->dpp_clock_gated[dpp_inst] == clock_on)
> + if (dccg->dpp_clock_gated[dpp_inst] != clock_on)
> return;
>
> if (clock_on) {
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
> index ef49b4d7742f..6a9024aa3285 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
> @@ -1908,6 +1908,9 @@ static bool dcn314_resource_construct(
> dc->debug.disable_dpp_power_gate = true;
> dc->debug.disable_hubp_power_gate = true;
>
> + /* Disable root clock optimization */
> + dc->debug.root_clock_optimization.u32All = 0;
> +
> // Init the vm_helper
> if (dc->vm_helper)
> vm_helper_init(dc->vm_helper, 16);
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2023-06-15 14:26 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2023-06-14 20:42 [PATCH 1/2] drm/amd/display: disable power gating for DCN314 Hamza Mahfooz
2023-06-14 20:42 ` [PATCH 2/2] drm/amd/display: disable RCO " Hamza Mahfooz
2023-06-15 14:26 ` Harry Wentland
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