From e7367af1ee3df07820de61e9b9896c4979f4132c Mon Sep 17 00:00:00 2001 From: =?utf8?q?Juha-Pekka=20Heikkil=C3=A4?= Date: Thu, 6 May 2021 19:19:26 +0300 Subject: [PATCH] drm/i915/xelpd: Support 128k plane stride MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit XE_LPD supports plane strides up to 128KB. Cc: Vandita Kulkarni Signed-off-by: Juha-Pekka Heikkilä Signed-off-by: Matt Roper Reviewed-by: Lucas De Marchi Signed-off-by: Imre Deak Link: https://patchwork.freedesktop.org/patch/msgid/20210506161930.309688-7-imre.deak@intel.com --- .../drm/i915/display/skl_universal_plane.c | 46 +++++++++++++++---- drivers/gpu/drm/i915/i915_reg.h | 2 + 2 files changed, 39 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c index e8e61237e9a5..1261ed9d277f 100644 --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c @@ -482,17 +482,35 @@ skl_plane_max_stride(struct intel_plane *plane, u32 pixel_format, u64 modifier, unsigned int rotation) { + struct drm_i915_private *i915 = to_i915(plane->base.dev); const struct drm_format_info *info = drm_format_info(pixel_format); int cpp = info->cpp[0]; + int max_horizontal_pixels = 8192; + int max_stride_bytes; + + if (DISPLAY_VER(i915) >= 13) { + /* + * The stride in bytes must not exceed of the size + * of 128K bytes. For pixel formats of 64bpp will allow + * for a 16K pixel surface. + */ + max_stride_bytes = 131072; + if (cpp == 8) + max_horizontal_pixels = 16384; + else + max_horizontal_pixels = 65536; + } else { + /* + * "The stride in bytes must not exceed the + * of the size of 8K pixels and 32K bytes." + */ + max_stride_bytes = 32768; + } - /* - * "The stride in bytes must not exceed the - * of the size of 8K pixels and 32K bytes." - */ if (drm_rotation_90_or_270(rotation)) - return min(8192, 32768 / cpp); + return min(max_horizontal_pixels, max_stride_bytes / cpp); else - return min(8192 * cpp, 32768); + return min(max_horizontal_pixels * cpp, max_stride_bytes); } @@ -1457,7 +1475,10 @@ static int skl_check_main_surface(struct intel_plane_state *plane_state) } } - drm_WARN_ON(&dev_priv->drm, x > 8191 || y > 8191); + if (DISPLAY_VER(dev_priv) >= 13) + drm_WARN_ON(&dev_priv->drm, x > 65535 || y > 65535); + else + drm_WARN_ON(&dev_priv->drm, x > 8191 || y > 8191); plane_state->view.color_plane[0].offset = offset; plane_state->view.color_plane[0].x = x; @@ -1531,7 +1552,10 @@ static int skl_check_nv12_aux_surface(struct intel_plane_state *plane_state) } } - drm_WARN_ON(&i915->drm, x > 8191 || y > 8191); + if (DISPLAY_VER(i915) >= 13) + drm_WARN_ON(&i915->drm, x > 65535 || y > 65535); + else + drm_WARN_ON(&i915->drm, x > 8191 || y > 8191); plane_state->view.color_plane[uv_plane].offset = offset; plane_state->view.color_plane[uv_plane].x = x; @@ -2244,7 +2268,11 @@ skl_get_initial_plane_config(struct intel_crtc *crtc, val = intel_de_read(dev_priv, PLANE_STRIDE(pipe, plane_id)); stride_mult = skl_plane_stride_mult(fb, 0, DRM_MODE_ROTATE_0); - fb->pitches[0] = (val & 0x3ff) * stride_mult; + + if (DISPLAY_VER(dev_priv) >= 13) + fb->pitches[0] = (val & PLANE_STRIDE_MASK_XELPD) * stride_mult; + else + fb->pitches[0] = (val & PLANE_STRIDE_MASK) * stride_mult; aligned_height = intel_fb_align_height(fb, 0, fb->height); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index a47399781773..db94616b1972 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -7206,6 +7206,8 @@ enum { _PIPE(pipe, _PLANE_STRIDE_3_A, _PLANE_STRIDE_3_B) #define PLANE_STRIDE(pipe, plane) \ _MMIO_PLANE(plane, _PLANE_STRIDE_1(pipe), _PLANE_STRIDE_2(pipe)) +#define PLANE_STRIDE_MASK REG_GENMASK(10, 0) +#define PLANE_STRIDE_MASK_XELPD REG_GENMASK(11, 0) #define _PLANE_POS_1_B 0x7118c #define _PLANE_POS_2_B 0x7128c -- 2.34.1