From: Ville Syrjälä Date: Fri, 7 Sep 2018 15:24:02 +0000 (+0300) Subject: drm/i915: Add .max_stride() plane hook X-Git-Tag: v5.4-rc1~1388^2~28^2~701 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ddd5713d6e56ec283de25a3f3943c3f5bf341f56;p=platform%2Fkernel%2Flinux-rpi.git drm/i915: Add .max_stride() plane hook Each plane may have different stride limitations. Let's add a new plane function to retutn the maximum stride for each plane. There's going to be some use for this outside the .atomic_check() stuff hence the separate hook. v2: Fix ilk+ x-tiled max stride to be 32k (José) Reviewed-by: José Roberto de Souza Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20180907152413.15761-3-ville.syrjala@linux.intel.com --- diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index b011b8c..a92e6bc 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3213,6 +3213,33 @@ int skl_check_plane_surface(const struct intel_crtc_state *crtc_state, return 0; } +unsigned int +i9xx_plane_max_stride(struct intel_plane *plane, + u32 pixel_format, u64 modifier, + unsigned int rotation) +{ + struct drm_i915_private *dev_priv = to_i915(plane->base.dev); + + if (!HAS_GMCH_DISPLAY(dev_priv)) { + return 32*1024; + } else if (INTEL_GEN(dev_priv) >= 4) { + if (modifier == I915_FORMAT_MOD_X_TILED) + return 16*1024; + else + return 32*1024; + } else if (INTEL_GEN(dev_priv) >= 3) { + if (modifier == I915_FORMAT_MOD_X_TILED) + return 8*1024; + else + return 16*1024; + } else { + if (plane->i9xx_plane == PLANE_C) + return 4*1024; + else + return 8*1024; + } +} + static u32 i9xx_plane_ctl(const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state) { @@ -9681,6 +9708,14 @@ static int intel_check_cursor(struct intel_crtc_state *crtc_state, return 0; } +static unsigned int +i845_cursor_max_stride(struct intel_plane *plane, + u32 pixel_format, u64 modifier, + unsigned int rotation) +{ + return 2048; +} + static u32 i845_cursor_ctl(const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state) { @@ -9813,6 +9848,14 @@ static bool i845_cursor_get_hw_state(struct intel_plane *plane, return ret; } +static unsigned int +i9xx_cursor_max_stride(struct intel_plane *plane, + u32 pixel_format, u64 modifier, + unsigned int rotation) +{ + return plane->base.dev->mode_config.cursor_width * 4; +} + static u32 i9xx_cursor_ctl(const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state) { @@ -13727,6 +13770,7 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) else modifiers = skl_format_modifiers_noccs; + primary->max_stride = skl_plane_max_stride; primary->update_plane = skl_update_plane; primary->disable_plane = skl_disable_plane; primary->get_hw_state = skl_plane_get_hw_state; @@ -13737,6 +13781,7 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) num_formats = ARRAY_SIZE(i965_primary_formats); modifiers = i9xx_format_modifiers; + primary->max_stride = i9xx_plane_max_stride; primary->update_plane = i9xx_update_plane; primary->disable_plane = i9xx_disable_plane; primary->get_hw_state = i9xx_plane_get_hw_state; @@ -13747,6 +13792,7 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) num_formats = ARRAY_SIZE(i8xx_primary_formats); modifiers = i9xx_format_modifiers; + primary->max_stride = i9xx_plane_max_stride; primary->update_plane = i9xx_update_plane; primary->disable_plane = i9xx_disable_plane; primary->get_hw_state = i9xx_plane_get_hw_state; @@ -13854,11 +13900,13 @@ intel_cursor_plane_create(struct drm_i915_private *dev_priv, cursor->frontbuffer_bit = INTEL_FRONTBUFFER(pipe, cursor->id); if (IS_I845G(dev_priv) || IS_I865G(dev_priv)) { + cursor->max_stride = i845_cursor_max_stride; cursor->update_plane = i845_update_cursor; cursor->disable_plane = i845_disable_cursor; cursor->get_hw_state = i845_cursor_get_hw_state; cursor->check_plane = i845_check_cursor; } else { + cursor->max_stride = i9xx_cursor_max_stride; cursor->update_plane = i9xx_update_cursor; cursor->disable_plane = i9xx_disable_cursor; cursor->get_hw_state = i9xx_cursor_get_hw_state; diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 7901be7..a93231c 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -965,6 +965,9 @@ struct intel_plane { * the intel_plane_state structure and accessed via plane_state. */ + unsigned int (*max_stride)(struct intel_plane *plane, + u32 pixel_format, u64 modifier, + unsigned int rotation); void (*update_plane)(struct intel_plane *plane, const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state); @@ -1660,6 +1663,9 @@ int skl_check_plane_surface(const struct intel_crtc_state *crtc_state, struct intel_plane_state *plane_state); int i9xx_check_plane_surface(struct intel_plane_state *plane_state); int skl_format_to_fourcc(int format, bool rgb_order, bool alpha); +unsigned int i9xx_plane_max_stride(struct intel_plane *plane, + u32 pixel_format, u64 modifier, + unsigned int rotation); /* intel_csr.c */ void intel_csr_ucode_init(struct drm_i915_private *); @@ -2127,6 +2133,10 @@ bool skl_plane_has_ccs(struct drm_i915_private *dev_priv, enum pipe pipe, enum plane_id plane_id); bool skl_plane_has_planar(struct drm_i915_private *dev_priv, enum pipe pipe, enum plane_id plane_id); +unsigned int skl_plane_max_stride(struct intel_plane *plane, + u32 pixel_format, u64 modifier, + unsigned int rotation); + /* intel_tv.c */ void intel_tv_init(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 9600ccf..9c62787 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -230,6 +230,23 @@ void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state) #endif } +unsigned int +skl_plane_max_stride(struct intel_plane *plane, + u32 pixel_format, u64 modifier, + unsigned int rotation) +{ + int cpp = drm_format_plane_cpp(pixel_format, 0); + + /* + * "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); + else + return min(8192 * cpp, 32768); +} + void skl_update_plane(struct intel_plane *plane, const struct intel_crtc_state *crtc_state, @@ -800,6 +817,14 @@ ivb_plane_get_hw_state(struct intel_plane *plane, return ret; } +static unsigned int +g4x_sprite_max_stride(struct intel_plane *plane, + u32 pixel_format, u64 modifier, + unsigned int rotation) +{ + return 16384; +} + static u32 g4x_sprite_ctl(const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state) { @@ -966,7 +991,6 @@ intel_check_sprite_plane(struct intel_crtc_state *crtc_state, struct drm_i915_private *dev_priv = to_i915(plane->base.dev); struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); struct drm_framebuffer *fb = state->base.fb; - int max_stride = INTEL_GEN(dev_priv) >= 9 ? 32768 : 16384; int max_scale, min_scale; bool can_scale; int ret; @@ -984,7 +1008,9 @@ intel_check_sprite_plane(struct intel_crtc_state *crtc_state, } /* FIXME check all gen limits */ - if (fb->width < 3 || fb->height < 3 || fb->pitches[0] > max_stride) { + if (fb->width < 3 || fb->height < 3 || + fb->pitches[0] > plane->max_stride(plane, fb->format->format, + fb->modifier, DRM_MODE_ROTATE_0)) { DRM_DEBUG_KMS("Unsuitable framebuffer for plane\n"); return -EINVAL; } @@ -1529,6 +1555,7 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv, intel_plane->has_ccs = skl_plane_has_ccs(dev_priv, pipe, PLANE_SPRITE0 + plane); + intel_plane->max_stride = skl_plane_max_stride; intel_plane->update_plane = skl_update_plane; intel_plane->disable_plane = skl_disable_plane; intel_plane->get_hw_state = skl_plane_get_hw_state; @@ -1552,6 +1579,7 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv, intel_plane->can_scale = false; intel_plane->max_downscale = 1; + intel_plane->max_stride = i9xx_plane_max_stride; intel_plane->update_plane = vlv_update_plane; intel_plane->disable_plane = vlv_disable_plane; intel_plane->get_hw_state = vlv_plane_get_hw_state; @@ -1570,6 +1598,7 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv, intel_plane->max_downscale = 1; } + intel_plane->max_stride = g4x_sprite_max_stride; intel_plane->update_plane = ivb_update_plane; intel_plane->disable_plane = ivb_disable_plane; intel_plane->get_hw_state = ivb_plane_get_hw_state; @@ -1583,6 +1612,7 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv, intel_plane->can_scale = true; intel_plane->max_downscale = 16; + intel_plane->max_stride = g4x_sprite_max_stride; intel_plane->update_plane = g4x_update_plane; intel_plane->disable_plane = g4x_disable_plane; intel_plane->get_hw_state = g4x_plane_get_hw_state;