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Message-ID: <877c3jp3pd.fsf@intel.com>
Date: Thu, 17 Apr 2025 11:55:26 +0300
From: Jani Nikula <jani.nikula@...ux.intel.com>
To: Luke Hofstetter <ldhofstetter@...il.com>, Alex Deucher
<alexander.deucher@....com>, Christian König
<christian.koenig@....com>
Cc: David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, Sunil
Khatri <sunil.khatri@....com>, Mario Limonciello
<mario.limonciello@....com>, Aurabindo Pillai <aurabindo.pillai@....com>,
Boyuan Zhang <boyuan.zhang@....com>, Leo Li <sunpeng.li@....com>, Dominik
Kaszewski <dominik.kaszewski@....com>, amd-gfx@...ts.freedesktop.org,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, Luke
Hofstetter <ldhofstetter@...il.com>
Subject: Re: [PATCH] drm/amd/include: fix kernel-doc formatting in amd_shared.h
On Wed, 16 Apr 2025, Luke Hofstetter <ldhofstetter@...il.com> wrote:
> when doing make htmldocs, Sphinx complained about in-line documentation
> in enum DC_DEBUG_MASK, so reformatted documentation to define each
> member in kernel-doc comment above the enum instead.
Why? What's the error message exactly? I think what you have now is the
preferred style. If it really doesn't work for enums, kernel-doc should
be fixed.
BR,
Jani.
>
> Signed-off-by: Luke Hofstetter <ldhofstetter@...il.com>
> ---
> drivers/gpu/drm/amd/include/amd_shared.h | 124 ++++++-----------------
> 1 file changed, 32 insertions(+), 92 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
> index 4c95b885d1d0..7074ec3b467f 100644
> --- a/drivers/gpu/drm/amd/include/amd_shared.h
> +++ b/drivers/gpu/drm/amd/include/amd_shared.h
> @@ -255,120 +255,60 @@ enum DC_FEATURE_MASK {
>
> /**
> * enum DC_DEBUG_MASK - Bits that are useful for debugging the Display Core IP
> + * @DC_DISABLE_PIPE_SPLIT: If set, disable pipe-splitting
> + * @DC_DISABLE_STUTTER: If set, disable memory stutter mode
> + * @DC_DISABLE_DSC: If set, disable display stream compression
> + * @DC_DISABLE_CLOCK_GATING: If set, disable clock gating optimizations
> + * @DC_DISABLE_PSR: If set, disable Panel self refresh v1 and PSR-SU
> + * @DC_FORCE_SUBVP_MCLK_SWITCH: If set, force mclk switch in subvp, even
> + * if mclk switch in vblank is possible
> + * @DC_DISABLE_MPO: If set, disable multi-plane offloading
> + * @DC_ENABLE_DPIA_TRACE: If set, enable trace logging for DPIA
> + * @DC_ENABLE_DML2: If set, force usage of DML2, even if the DCN version
> + * does not default to it.
> + * @DC_DISABLE_PSR_SU: If set, disable PSR SU
> + * @DC_DISABLE_REPLAY: If set, disable Panel Replay
> + * @DC_DISABLE_IPS: If set, disable all Idle Power States, all the time.
> + * If more than one IPS debug bit is set, the lowest bit takes
> + * precedence. For example, if DC_FORCE_IPS_ENABLE and
> + * DC_DISABLE_IPS_DYNAMIC are set, then DC_DISABLE_IPS_DYNAMIC takes
> + * precedence.
> + * @DC_DISABLE_IPS_DYNAMIC: If set, disable all IPS, all the time,
> + * *except* when driver goes into suspend.
> + * @DC_DISABLE_IPS2_DYNAMIC: If set, disable IPS2 (IPS1 allowed) if
> + * there is an enabled display. Otherwise, enable all IPS.
> + * @DC_FORCE_IPS_ENABLE: If set, force enable all IPS, all the time.
> + * @DC_DISABLE_ACPI_EDID: If set, don't attempt to fetch EDID for
> + * eDP display from ACPI _DDC method.
> + * @DC_DISABLE_HDMI_CEC: If set, disable HDMI-CEC feature in amdgpu driver.
> + * @DC_DISABLE_SUBVP: If set, disable DCN Sub-Viewport feature in amdgpu driver.
> + * @DC_DISABLE_CUSTOM_BRIGHTNESS_CURVE: If set, disable support for custom brightness curves
> + * @DC_HDCP_LC_FORCE_FW_ENABLE: If set, use HDCP Locality Check FW
> + * path regardless of reported HW capabilities.
> + * @DC_HDCP_LC_ENABLE_SW_FALLBACK: If set, upon HDCP Locality Check FW
> + * path failure, retry using legacy SW path.
> */
> enum DC_DEBUG_MASK {
> - /**
> - * @DC_DISABLE_PIPE_SPLIT: If set, disable pipe-splitting
> - */
> DC_DISABLE_PIPE_SPLIT = 0x1,
> -
> - /**
> - * @DC_DISABLE_STUTTER: If set, disable memory stutter mode
> - */
> DC_DISABLE_STUTTER = 0x2,
> -
> - /**
> - * @DC_DISABLE_DSC: If set, disable display stream compression
> - */
> DC_DISABLE_DSC = 0x4,
> -
> - /**
> - * @DC_DISABLE_CLOCK_GATING: If set, disable clock gating optimizations
> - */
> DC_DISABLE_CLOCK_GATING = 0x8,
> -
> - /**
> - * @DC_DISABLE_PSR: If set, disable Panel self refresh v1 and PSR-SU
> - */
> DC_DISABLE_PSR = 0x10,
> -
> - /**
> - * @DC_FORCE_SUBVP_MCLK_SWITCH: If set, force mclk switch in subvp, even
> - * if mclk switch in vblank is possible
> - */
> DC_FORCE_SUBVP_MCLK_SWITCH = 0x20,
> -
> - /**
> - * @DC_DISABLE_MPO: If set, disable multi-plane offloading
> - */
> DC_DISABLE_MPO = 0x40,
> -
> - /**
> - * @DC_ENABLE_DPIA_TRACE: If set, enable trace logging for DPIA
> - */
> DC_ENABLE_DPIA_TRACE = 0x80,
> -
> - /**
> - * @DC_ENABLE_DML2: If set, force usage of DML2, even if the DCN version
> - * does not default to it.
> - */
> DC_ENABLE_DML2 = 0x100,
> -
> - /**
> - * @DC_DISABLE_PSR_SU: If set, disable PSR SU
> - */
> DC_DISABLE_PSR_SU = 0x200,
> -
> - /**
> - * @DC_DISABLE_REPLAY: If set, disable Panel Replay
> - */
> DC_DISABLE_REPLAY = 0x400,
> -
> - /**
> - * @DC_DISABLE_IPS: If set, disable all Idle Power States, all the time.
> - * If more than one IPS debug bit is set, the lowest bit takes
> - * precedence. For example, if DC_FORCE_IPS_ENABLE and
> - * DC_DISABLE_IPS_DYNAMIC are set, then DC_DISABLE_IPS_DYNAMIC takes
> - * precedence.
> - */
> DC_DISABLE_IPS = 0x800,
> -
> - /**
> - * @DC_DISABLE_IPS_DYNAMIC: If set, disable all IPS, all the time,
> - * *except* when driver goes into suspend.
> - */
> DC_DISABLE_IPS_DYNAMIC = 0x1000,
> -
> - /**
> - * @DC_DISABLE_IPS2_DYNAMIC: If set, disable IPS2 (IPS1 allowed) if
> - * there is an enabled display. Otherwise, enable all IPS.
> - */
> DC_DISABLE_IPS2_DYNAMIC = 0x2000,
> -
> - /**
> - * @DC_FORCE_IPS_ENABLE: If set, force enable all IPS, all the time.
> - */
> DC_FORCE_IPS_ENABLE = 0x4000,
> - /**
> - * @DC_DISABLE_ACPI_EDID: If set, don't attempt to fetch EDID for
> - * eDP display from ACPI _DDC method.
> - */
> DC_DISABLE_ACPI_EDID = 0x8000,
> -
> - /**
> - * @DC_DISABLE_HDMI_CEC: If set, disable HDMI-CEC feature in amdgpu driver.
> - */
> DC_DISABLE_HDMI_CEC = 0x10000,
> -
> - /**
> - * @DC_DISABLE_SUBVP: If set, disable DCN Sub-Viewport feature in amdgpu driver.
> - */
> DC_DISABLE_SUBVP = 0x20000,
> - /**
> - * @DC_DISABLE_CUSTOM_BRIGHTNESS_CURVE: If set, disable support for custom brightness curves
> - */
> DC_DISABLE_CUSTOM_BRIGHTNESS_CURVE = 0x40000,
> -
> - /**
> - * @DC_HDCP_LC_FORCE_FW_ENABLE: If set, use HDCP Locality Check FW
> - * path regardless of reported HW capabilities.
> - */
> DC_HDCP_LC_FORCE_FW_ENABLE = 0x80000,
> -
> - /**
> - * @DC_HDCP_LC_ENABLE_SW_FALLBACK If set, upon HDCP Locality Check FW
> - * path failure, retry using legacy SW path.
> - */
> DC_HDCP_LC_ENABLE_SW_FALLBACK = 0x100000,
> };
--
Jani Nikula, Intel
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