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From: "Navare, Manasi" <manasi.d.navare@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH v4 04/18] drm/i915: Extract intel_mode_vblank_start()
Date: Thu, 21 Jan 2021 14:36:53 -0800	[thread overview]
Message-ID: <20210121223653.GA26331@labuser-Z97X-UD5H> (raw)
In-Reply-To: <20210113220935.4151-5-manasi.d.navare@intel.com>

On Wed, Jan 13, 2021 at 02:09:21PM -0800, Manasi Navare wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> We want to calculate the vblank_start for vblank evasion
> differently for vrr. To make that nicer lets first extract
> the current non-vrr case to a helper.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>

Manasi

> ---
>  drivers/gpu/drm/i915/display/intel_sprite.c | 14 +++++++++++---
>  1 file changed, 11 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c
> index cf3589fd0ddb..ced6af7cdc84 100644
> --- a/drivers/gpu/drm/i915/display/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/display/intel_sprite.c
> @@ -62,6 +62,16 @@ int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode,
>  			    1000 * adjusted_mode->crtc_htotal);
>  }
>  
> +static int intel_mode_vblank_start(const struct drm_display_mode *mode)
> +{
> +	int vblank_start = mode->crtc_vblank_start;
> +
> +	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
> +		vblank_start = DIV_ROUND_UP(vblank_start, 2);
> +
> +	return vblank_start;
> +}
> +
>  /**
>   * intel_pipe_update_start() - start update of a set of display registers
>   * @new_crtc_state: the new crtc state
> @@ -90,9 +100,7 @@ void intel_pipe_update_start(const struct intel_crtc_state *new_crtc_state)
>  	if (new_crtc_state->uapi.async_flip)
>  		return;
>  
> -	vblank_start = adjusted_mode->crtc_vblank_start;
> -	if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
> -		vblank_start = DIV_ROUND_UP(vblank_start, 2);
> +	vblank_start = intel_mode_vblank_start(adjusted_mode);
>  
>  	/* FIXME needs to be calibrated sensibly */
>  	min = vblank_start - intel_usecs_to_scanlines(adjusted_mode,
> -- 
> 2.19.1
> 
> _______________________________________________
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> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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  reply	other threads:[~2021-01-21 22:32 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-13 22:09 [Intel-gfx] [PATCH v4 00/18] VRR/Adaptive Sync Enabling on DP/eDP for TGL+ Manasi Navare
2021-01-13 22:09 ` [Intel-gfx] [PATCH v4 01/18] drm/i915/display/vrr: Create VRR file and add VRR capability check Manasi Navare
2021-01-13 22:09 ` [Intel-gfx] [PATCH v4 02/18] drm/i915/display/dp: Attach and set drm connector VRR property Manasi Navare
2021-01-13 22:09 ` [Intel-gfx] [PATCH v4 03/18] drm/i915: Store framestart_delay in dev_priv Manasi Navare
2021-01-21 22:32   ` Navare, Manasi
2021-01-22 12:20     ` Ville Syrjälä
2021-01-13 22:09 ` [Intel-gfx] [PATCH v4 04/18] drm/i915: Extract intel_mode_vblank_start() Manasi Navare
2021-01-21 22:36   ` Navare, Manasi [this message]
2021-01-13 22:09 ` [Intel-gfx] [PATCH v4 05/18] drm/i915: Extract intel_crtc_scanlines_since_frame_timestamp() Manasi Navare
2021-01-21 22:52   ` Navare, Manasi
2021-01-21 23:07     ` Navare, Manasi
2021-01-13 22:09 ` [Intel-gfx] [PATCH v4 06/18] drm/i915/display/dp: Compute VRR state in atomic_check Manasi Navare
2021-01-13 22:09 ` [Intel-gfx] [PATCH v4 07/18] drm/i915/display/dp: Do not enable PSR if VRR is enabled Manasi Navare
2021-01-13 22:09 ` [Intel-gfx] [PATCH v4 08/18] drm/i915/display: VRR + DRRS cannot be enabled together Manasi Navare
2021-01-14 17:15   ` Ville Syrjälä
2021-01-21 22:58     ` Navare, Manasi
2021-01-13 22:09 ` [Intel-gfx] [PATCH v4 09/18] drm/i915: Rename VRR_CTL reg fields Manasi Navare
2021-01-21 22:59   ` Navare, Manasi
2021-01-13 22:09 ` [Intel-gfx] [PATCH v4 10/18] drm/i915/display/vrr: Configure and enable VRR in modeset enable Manasi Navare
2021-01-13 22:09 ` [Intel-gfx] [PATCH v4 11/18] drm/i915/display/vrr: Send VRR push to flip the frame Manasi Navare
2021-01-13 22:09 ` [Intel-gfx] [PATCH v4 12/18] drm/i915/display/vrr: Disable VRR in modeset disable path Manasi Navare
2021-01-13 22:09 ` [Intel-gfx] [PATCH v4 13/18] drm/i915/display/vrr: Set IGNORE_MSA_PAR state in DP Sink Manasi Navare
2021-01-13 22:09 ` [Intel-gfx] [PATCH v4 14/18] drm/i915/display: Add HW state readout for VRR Manasi Navare
2021-01-13 22:09 ` [Intel-gfx] [PATCH v4 15/18] drm/i915/display: Helpers for VRR vblank min and max start Manasi Navare
2021-01-19 19:07   ` Ville Syrjälä
2021-01-21 23:00     ` Navare, Manasi
2021-01-13 22:09 ` [Intel-gfx] [PATCH v4 16/18] drm/i915: Add vrr state dump Manasi Navare
2021-01-21 23:02   ` Navare, Manasi
2021-01-13 22:09 ` [Intel-gfx] [PATCH v4 17/18] drm/i915: Fix vblank timestamps with VRR Manasi Navare
2021-01-21 23:05   ` Navare, Manasi
2021-01-13 22:09 ` [Intel-gfx] [PATCH v4 18/18] drm/i915: Fix vblank evasion with vrr Manasi Navare
2021-01-21 23:06   ` Navare, Manasi
2021-01-13 22:34 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for VRR/Adaptive Sync Enabling on DP/eDP for TGL+ Patchwork
2021-01-13 22:36 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2021-01-13 23:05 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2021-01-19 18:59 ` [Intel-gfx] [PATCH v4 00/18] " Ville Syrjälä

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