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Souptick Joarder

2020-Apr-30 20:26 UTC

[Nouveau] [PATCH] drm/nouveau/dispnv04: Remove dead code

These are dead code since 3.10. If there is no plan to use
it further, these can be removed forever.

Signed-off-by: Souptick Joarder <jrdr.linux at gmail.com>
---
 drivers/gpu/drm/nouveau/dispnv04/crtc.c | 28 ----------------------------
 1 file changed, 28 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/dispnv04/crtc.c
b/drivers/gpu/drm/nouveau/dispnv04/crtc.c
index 1f08de4..ad0ef7d 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/crtc.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/crtc.c
@@ -269,31 +269,11 @@ static void nv_crtc_calc_state_ext(struct drm_crtc *crtc,
struct drm_display_mod
 		horizStart = horizTotal - 5;
 		horizEnd = horizTotal - 2;
 		horizBlankEnd = horizTotal + 4;
-#if 0
-		if (dev->overlayAdaptor && drm->client.device.info.family >=
NV_DEVICE_INFO_V0_CELSIUS)
-			/* This reportedly works around some video overlay bandwidth problems */
-			horizTotal += 2;
-#endif
 	}
 
 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 		vertTotal |= 1;
 
-#if 0
-	ErrorF("horizDisplay: 0x%X \n", horizDisplay);
-	ErrorF("horizStart: 0x%X \n", horizStart);
-	ErrorF("horizEnd: 0x%X \n", horizEnd);
-	ErrorF("horizTotal: 0x%X \n", horizTotal);
-	ErrorF("horizBlankStart: 0x%X \n", horizBlankStart);
-	ErrorF("horizBlankEnd: 0x%X \n", horizBlankEnd);
-	ErrorF("vertDisplay: 0x%X \n", vertDisplay);
-	ErrorF("vertStart: 0x%X \n", vertStart);
-	ErrorF("vertEnd: 0x%X \n", vertEnd);
-	ErrorF("vertTotal: 0x%X \n", vertTotal);
-	ErrorF("vertBlankStart: 0x%X \n", vertBlankStart);
-	ErrorF("vertBlankEnd: 0x%X \n", vertBlankEnd);
-#endif
-
 	/*
 	* compute correct Hsync & Vsync polarity
 	*/
@@ -492,14 +472,6 @@ static void nv_crtc_calc_state_ext(struct drm_crtc *crtc,
struct drm_display_mod
 	/* Except for rare conditions I2C is enabled on the primary crtc */
 	if (nv_crtc->index == 0)
 		regp->crtc_eng_ctrl |= NV_CRTC_FSEL_I2C;
-#if 0
-	/* Set overlay to desired crtc. */
-	if (dev->overlayAdaptor) {
-		NVPortPrivPtr pPriv = GET_OVERLAY_PRIVATE(dev);
-		if (pPriv->overlayCRTC == nv_crtc->index)
-			regp->crtc_eng_ctrl |= NV_CRTC_FSEL_OVERLAY;
-	}
-#endif
 
 	/* ADDRESS_SPACE_PNVM is the same as setting HCUR_ASI */
 	regp->cursor_cfg = NV_PCRTC_CURSOR_CONFIG_CUR_LINES_64 |
-- 
1.9.1

Ilia Mirkin

2020-Apr-30 20:51 UTC

head link

[Nouveau] [PATCH] drm/nouveau/dispnv04: Remove dead code

Interesting. I do remember seeing some snow on NV5's overlay at high
resolutions. Wonder if it was because of this missing code...

On Thu, Apr 30, 2020 at 4:19 PM Souptick Joarder <jrdr.linux at gmail.com>
wrote:>
> These are dead code since 3.10. If there is no plan to use
> it further, these can be removed forever.
>
> Signed-off-by: Souptick Joarder <jrdr.linux at gmail.com>
> ---
>  drivers/gpu/drm/nouveau/dispnv04/crtc.c | 28 ----------------------------
>  1 file changed, 28 deletions(-)
>
> diff --git a/drivers/gpu/drm/nouveau/dispnv04/crtc.c
b/drivers/gpu/drm/nouveau/dispnv04/crtc.c
> index 1f08de4..ad0ef7d 100644
> --- a/drivers/gpu/drm/nouveau/dispnv04/crtc.c
> +++ b/drivers/gpu/drm/nouveau/dispnv04/crtc.c
> @@ -269,31 +269,11 @@ static void nv_crtc_calc_state_ext(struct drm_crtc
*crtc, struct drm_display_mod
>                 horizStart = horizTotal - 5;
>                 horizEnd = horizTotal - 2;
>                 horizBlankEnd = horizTotal + 4;
> -#if 0
> -               if (dev->overlayAdaptor &&
drm->client.device.info.family >= NV_DEVICE_INFO_V0_CELSIUS)
> -                       /* This reportedly works around some video overlay
bandwidth problems */
> -                       horizTotal += 2;
> -#endif
>         }
>
>         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
>                 vertTotal |= 1;
>
> -#if 0
> -       ErrorF("horizDisplay: 0x%X \n", horizDisplay);
> -       ErrorF("horizStart: 0x%X \n", horizStart);
> -       ErrorF("horizEnd: 0x%X \n", horizEnd);
> -       ErrorF("horizTotal: 0x%X \n", horizTotal);
> -       ErrorF("horizBlankStart: 0x%X \n", horizBlankStart);
> -       ErrorF("horizBlankEnd: 0x%X \n", horizBlankEnd);
> -       ErrorF("vertDisplay: 0x%X \n", vertDisplay);
> -       ErrorF("vertStart: 0x%X \n", vertStart);
> -       ErrorF("vertEnd: 0x%X \n", vertEnd);
> -       ErrorF("vertTotal: 0x%X \n", vertTotal);
> -       ErrorF("vertBlankStart: 0x%X \n", vertBlankStart);
> -       ErrorF("vertBlankEnd: 0x%X \n", vertBlankEnd);
> -#endif
> -
>         /*
>         * compute correct Hsync & Vsync polarity
>         */
> @@ -492,14 +472,6 @@ static void nv_crtc_calc_state_ext(struct drm_crtc
*crtc, struct drm_display_mod
>         /* Except for rare conditions I2C is enabled on the primary crtc */
>         if (nv_crtc->index == 0)
>                 regp->crtc_eng_ctrl |= NV_CRTC_FSEL_I2C;
> -#if 0
> -       /* Set overlay to desired crtc. */
> -       if (dev->overlayAdaptor) {
> -               NVPortPrivPtr pPriv = GET_OVERLAY_PRIVATE(dev);
> -               if (pPriv->overlayCRTC == nv_crtc->index)
> -                       regp->crtc_eng_ctrl |= NV_CRTC_FSEL_OVERLAY;
> -       }
> -#endif
>
>         /* ADDRESS_SPACE_PNVM is the same as setting HCUR_ASI */
>         regp->cursor_cfg = NV_PCRTC_CURSOR_CONFIG_CUR_LINES_64 |
> --
> 1.9.1
>
> _______________________________________________
> Nouveau mailing list
> Nouveau at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/nouveau

Souptick Joarder

2020-May-01 13:23 UTC

head link

[Nouveau] [PATCH] drm/nouveau/dispnv04: Remove dead code

On Fri, May 1, 2020 at 2:21 AM Ilia Mirkin <imirkin at alum.mit.edu>
wrote:>
> Interesting. I do remember seeing some snow on NV5's overlay at high
> resolutions. Wonder if it was because of this missing code...
What was the problem ? Does enabling this dead code will fix the problem ?
>
> On Thu, Apr 30, 2020 at 4:19 PM Souptick Joarder <jrdr.linux at
gmail.com> wrote:
> >
> > These are dead code since 3.10. If there is no plan to use
> > it further, these can be removed forever.
> >
> > Signed-off-by: Souptick Joarder <jrdr.linux at gmail.com>
> > ---
> >  drivers/gpu/drm/nouveau/dispnv04/crtc.c | 28
----------------------------
> >  1 file changed, 28 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/nouveau/dispnv04/crtc.c
b/drivers/gpu/drm/nouveau/dispnv04/crtc.c
> > index 1f08de4..ad0ef7d 100644
> > --- a/drivers/gpu/drm/nouveau/dispnv04/crtc.c
> > +++ b/drivers/gpu/drm/nouveau/dispnv04/crtc.c
> > @@ -269,31 +269,11 @@ static void nv_crtc_calc_state_ext(struct
drm_crtc *crtc, struct drm_display_mod
> >                 horizStart = horizTotal - 5;
> >                 horizEnd = horizTotal - 2;
> >                 horizBlankEnd = horizTotal + 4;
> > -#if 0
> > -               if (dev->overlayAdaptor &&
drm->client.device.info.family >= NV_DEVICE_INFO_V0_CELSIUS)
> > -                       /* This reportedly works around some video
overlay bandwidth problems */
> > -                       horizTotal += 2;
> > -#endif
> >         }
> >
> >         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
> >                 vertTotal |= 1;
> >
> > -#if 0
> > -       ErrorF("horizDisplay: 0x%X \n", horizDisplay);
> > -       ErrorF("horizStart: 0x%X \n", horizStart);
> > -       ErrorF("horizEnd: 0x%X \n", horizEnd);
> > -       ErrorF("horizTotal: 0x%X \n", horizTotal);
> > -       ErrorF("horizBlankStart: 0x%X \n", horizBlankStart);
> > -       ErrorF("horizBlankEnd: 0x%X \n", horizBlankEnd);
> > -       ErrorF("vertDisplay: 0x%X \n", vertDisplay);
> > -       ErrorF("vertStart: 0x%X \n", vertStart);
> > -       ErrorF("vertEnd: 0x%X \n", vertEnd);
> > -       ErrorF("vertTotal: 0x%X \n", vertTotal);
> > -       ErrorF("vertBlankStart: 0x%X \n", vertBlankStart);
> > -       ErrorF("vertBlankEnd: 0x%X \n", vertBlankEnd);
> > -#endif
> > -
> >         /*
> >         * compute correct Hsync & Vsync polarity
> >         */
> > @@ -492,14 +472,6 @@ static void nv_crtc_calc_state_ext(struct
drm_crtc *crtc, struct drm_display_mod
> >         /* Except for rare conditions I2C is enabled on the primary
crtc */
> >         if (nv_crtc->index == 0)
> >                 regp->crtc_eng_ctrl |= NV_CRTC_FSEL_I2C;
> > -#if 0
> > -       /* Set overlay to desired crtc. */
> > -       if (dev->overlayAdaptor) {
> > -               NVPortPrivPtr pPriv = GET_OVERLAY_PRIVATE(dev);
> > -               if (pPriv->overlayCRTC == nv_crtc->index)
> > -                       regp->crtc_eng_ctrl |=
NV_CRTC_FSEL_OVERLAY;
> > -       }
> > -#endif
> >
> >         /* ADDRESS_SPACE_PNVM is the same as setting HCUR_ASI */
> >         regp->cursor_cfg = NV_PCRTC_CURSOR_CONFIG_CUR_LINES_64 |
> > --
> > 1.9.1
> >
> > _______________________________________________
> > Nouveau mailing list
> > Nouveau at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/nouveau

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