Hi Ville,
NV12 support for small src viewport sizes and rotation vs clipping scenarios are added into IGT by JP.
Commit details are as follows.
commit 8614d5eb114a660c3bd7ff77eab8bed53424cd30
Author: Juha-Pekka Heikkila <juhapekka.heikkila@xxxxxxxxx>
Date: Fri Dec 21 15:42:33 2018 +0200
tests/kms_rotation_crc: add NV12 support for multiplane* tests
Can you please review the patch again? As suggested I have removed the if..else check in intel_framebuffer_init().
Regards,
Raviraj
> -----Original Message-----
> From: Sitaram, Raviraj P
> Sent: Wednesday, December 19, 2018 1:59 PM
> To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Sitaram, Raviraj P <raviraj.p.sitaram@xxxxxxxxx>; Hwang, Dongseong
> <dongseong.hwang@xxxxxxxxx>; Konduru, Chandra <chandra.konduru@xxxxxxxxx>;
> Srinivas, Vidya <vidya.srinivas@xxxxxxxxx>; Ville Syrjälä
> <ville.syrjala@xxxxxxxxxxxxxxx>; Juha-Pekka Heikkila
> <juhapekka.heikkila@xxxxxxxxx>
> Subject: [PATCH v3] drm/i915: correct the pitch check for NV12 framebuffer
>
> From: P Raviraj Sitaram <raviraj.p.sitaram@xxxxxxxxx>
>
> framebuffer for NV12 requires the pitch to the multiplier of 4, instead of the width.
> This patch corrects it.
>
> For instance, a 480p video, whose width and pitch are 854 and 896 respectively, is
> excluded for NV12 plane so far.
>
> Changes since v1:
> - Removed check for NV12 buffer dimensions since additional checks
> are done for viewport size in intel_sprite.c
>
> Signed-off-by: Dongseong Hwang <dongseong.hwang@xxxxxxxxx>
> Signed-off-by: P Raviraj Sitaram <raviraj.p.sitaram@xxxxxxxxx>
> Cc: Chandra Konduru <chandra.konduru@xxxxxxxxx>
> Cc: Vidya Srinivas <vidya.srinivas@xxxxxxxxx>
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Cc: Juha-Pekka Heikkila <juhapekka.heikkila@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_display.c | 8 --------
> 1 file changed, 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 3b7094822aa9..fa349182d0da 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -14597,14 +14597,6 @@ static int intel_framebuffer_init(struct intel_framebuffer
> *intel_fb,
>
> drm_helper_mode_fill_fb_struct(&dev_priv->drm, fb, mode_cmd);
>
> - if (fb->format->format == DRM_FORMAT_NV12 &&
> - (fb->width < SKL_MIN_YUV_420_SRC_W ||
> - fb->height < SKL_MIN_YUV_420_SRC_H ||
> - (fb->width % 4) != 0 || (fb->height % 4) != 0)) {
> - DRM_DEBUG_KMS("src dimensions not correct for NV12\n");
> - goto err;
> - }
> -
> for (i = 0; i < fb->format->num_planes; i++) {
> u32 stride_alignment;
>
> --
> 2.7.4
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