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Date: Tue, 19 Jul 2022 09:03:30 -0400
From: Alex Deucher <alexdeucher@...il.com>
To: Maíra Canal <mairacanal@...eup.net>
Cc: Harry Wentland <harry.wentland@....com>,
Leo Li <sunpeng.li@....com>,
Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
Alex Deucher <alexander.deucher@....com>,
Christian Koenig <christian.koenig@....com>,
xinhui pan <Xinhui.Pan@....com>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Nicholas Kazlauskas <nicholas.kazlauskas@....com>,
Dmytro Laktyushkin <Dmytro.Laktyushkin@....com>,
Aurabindo Pillai <aurabindo.pillai@....com>,
Magali Lemes <magalilemes00@...il.com>,
Tales Lelo da Aparecida <tales.aparecida@...il.com>,
LKML <linux-kernel@...r.kernel.org>,
amd-gfx list <amd-gfx@...ts.freedesktop.org>,
Melissa Wen <mwen@...lia.com>,
Isabella Basso <isabbasso@...eup.net>, andrealmeid@...eup.net
Subject: Re: [PATCH 10/12] drm/amd/display: Remove parameters from dml30_CalculateWriteBackDISPCLK
On Tue, Jul 19, 2022 at 6:49 AM Maíra Canal <mairacanal@...eup.net> wrote:
>
> On 7/18/22 16:02, Alex Deucher wrote:
> > On Thu, Jul 14, 2022 at 12:46 PM Maíra Canal <mairacanal@...eup.net> wrote:
> >>
> >> The parameters WritebackPixelFormat and WritebackVRatio are removed as
> >> they are not used on the function dml30_CalculateWriteBackDISPCLK.
> >
> > Maybe this is done for consistency with other dml code for other DCN blocks?
> >
> > Alex
>
> This is reasonable. Anyway, the functions
> dml30_CalculateWriteBackDISPCLK and dml31_CalculateWriteBackDISPCLK are
> identical. May I send a v2 from PATCH 11/12 with the original function
> signature?
Sounds good. Thanks!
Alex
>
> Best Regards,
> - Maíra Canal
>
> >
> >>
> >> Signed-off-by: Maíra Canal <mairacanal@...eup.net>
> >> ---
> >> drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c | 2 --
> >> .../gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c | 6 ------
> >> .../gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.h | 2 --
> >> 3 files changed, 10 deletions(-)
> >>
> >> diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c
> >> index a8db1306750e..746bb93ade6c 100644
> >> --- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c
> >> +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c
> >> @@ -322,10 +322,8 @@ void dcn30_fpu_populate_dml_writeback_from_context(
> >> * parameters per pipe
> >> */
> >> writeback_dispclk = dml30_CalculateWriteBackDISPCLK(
> >> - dout_wb.wb_pixel_format,
> >> pipes[pipe_cnt].pipe.dest.pixel_rate_mhz,
> >> dout_wb.wb_hratio,
> >> - dout_wb.wb_vratio,
> >> dout_wb.wb_htaps_luma,
> >> dout_wb.wb_vtaps_luma,
> >> dout_wb.wb_src_width,
> >> diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
> >> index 876b321b30ca..37049daaab4c 100644
> >> --- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
> >> +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
> >> @@ -1938,10 +1938,8 @@ static void DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerforman
> >> if (v->WritebackEnable[k]) {
> >> v->WritebackDISPCLK = dml_max(v->WritebackDISPCLK,
> >> dml30_CalculateWriteBackDISPCLK(
> >> - v->WritebackPixelFormat[k],
> >> v->PixelClock[k],
> >> v->WritebackHRatio[k],
> >> - v->WritebackVRatio[k],
> >> v->WritebackHTaps[k],
> >> v->WritebackVTaps[k],
> >> v->WritebackSourceWidth[k],
> >> @@ -3284,10 +3282,8 @@ static double CalculateTWait(
> >> }
> >>
> >> double dml30_CalculateWriteBackDISPCLK(
> >> - enum source_format_class WritebackPixelFormat,
> >> double PixelClock,
> >> double WritebackHRatio,
> >> - double WritebackVRatio,
> >> unsigned int WritebackHTaps,
> >> unsigned int WritebackVTaps,
> >> long WritebackSourceWidth,
> >> @@ -3794,10 +3790,8 @@ void dml30_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
> >> if (v->WritebackEnable[k] == true) {
> >> v->WritebackRequiredDISPCLK = dml_max(v->WritebackRequiredDISPCLK,
> >> dml30_CalculateWriteBackDISPCLK(
> >> - v->WritebackPixelFormat[k],
> >> v->PixelClock[k],
> >> v->WritebackHRatio[k],
> >> - v->WritebackVRatio[k],
> >> v->WritebackHTaps[k],
> >> v->WritebackVTaps[k],
> >> v->WritebackSourceWidth[k],
> >> diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.h b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.h
> >> index daaf0883b84d..12c070434eee 100644
> >> --- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.h
> >> +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.h
> >> @@ -29,10 +29,8 @@
> >> void dml30_recalculate(struct display_mode_lib *mode_lib);
> >> void dml30_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_lib);
> >> double dml30_CalculateWriteBackDISPCLK(
> >> - enum source_format_class WritebackPixelFormat,
> >> double PixelClock,
> >> double WritebackHRatio,
> >> - double WritebackVRatio,
> >> unsigned int WritebackHTaps,
> >> unsigned int WritebackVTaps,
> >> long WritebackSourceWidth,
> >> --
> >> 2.36.1
> >>
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