diff options
Diffstat (limited to 'drivers/gpu/drm/imx/ipuv3-plane.c')
| -rw-r--r-- | drivers/gpu/drm/imx/ipuv3-plane.c | 113 |
1 files changed, 100 insertions, 13 deletions
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index cf98596c7ce1..57ed56d8623f 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -18,6 +18,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_fb_cma_helper.h> #include <drm/drm_gem_cma_helper.h> +#include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_plane_helper.h> #include "video/imx-ipu-v3.h" @@ -76,6 +77,18 @@ static const uint32_t ipu_plane_formats[] = { DRM_FORMAT_BGRX8888_A8, }; +static const uint64_t ipu_format_modifiers[] = { + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID +}; + +static const uint64_t pre_format_modifiers[] = { + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_VIVANTE_TILED, + DRM_FORMAT_MOD_VIVANTE_SUPER_TILED, + DRM_FORMAT_MOD_INVALID +}; + int ipu_plane_irq(struct ipu_plane *ipu_plane) { return ipu_idmac_channel_irq(ipu_plane->ipu, ipu_plane->ipu_ch, @@ -302,6 +315,22 @@ void ipu_plane_destroy_state(struct drm_plane *plane, kfree(ipu_state); } +static bool ipu_plane_format_mod_supported(struct drm_plane *plane, + uint32_t format, uint64_t modifier) +{ + struct ipu_soc *ipu = to_ipu_plane(plane)->ipu; + + /* linear is supported for all planes and formats */ + if (modifier == DRM_FORMAT_MOD_LINEAR) + return true; + + /* without a PRG there are no supported modifiers */ + if (!ipu_prg_present(ipu)) + return false; + + return ipu_prg_format_supported(ipu, format, modifier); +} + static const struct drm_plane_funcs ipu_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, @@ -309,6 +338,7 @@ static const struct drm_plane_funcs ipu_plane_funcs = { .reset = ipu_plane_state_reset, .atomic_duplicate_state = ipu_plane_duplicate_state, .atomic_destroy_state = ipu_plane_destroy_state, + .format_mod_supported = ipu_plane_format_mod_supported, }; static int ipu_plane_atomic_check(struct drm_plane *plane, @@ -341,10 +371,10 @@ static int ipu_plane_atomic_check(struct drm_plane *plane, clip.y1 = 0; clip.x2 = crtc_state->adjusted_mode.hdisplay; clip.y2 = crtc_state->adjusted_mode.vdisplay; - ret = drm_plane_helper_check_state(state, &clip, - DRM_PLANE_HELPER_NO_SCALING, - DRM_PLANE_HELPER_NO_SCALING, - can_position, true); + ret = drm_atomic_helper_check_plane_state(state, crtc_state, &clip, + DRM_PLANE_HELPER_NO_SCALING, + DRM_PLANE_HELPER_NO_SCALING, + can_position, true); if (ret) return ret; @@ -549,8 +579,8 @@ static void ipu_plane_atomic_update(struct drm_plane *plane, ipu_prg_channel_configure(ipu_plane->ipu_ch, axi_id, drm_rect_width(&state->src) >> 16, drm_rect_height(&state->src) >> 16, - fb->pitches[0], - fb->format->format, &eba); + fb->pitches[0], fb->format->format, + fb->modifier, &eba); } if (old_state->fb && !drm_atomic_crtc_needs_modeset(crtc_state)) { @@ -690,7 +720,7 @@ static void ipu_plane_atomic_update(struct drm_plane *plane, } static const struct drm_plane_helper_funcs ipu_plane_helper_funcs = { - .prepare_fb = drm_fb_cma_prepare_fb, + .prepare_fb = drm_gem_fb_prepare_fb, .atomic_check = ipu_plane_atomic_check, .atomic_disable = ipu_plane_atomic_disable, .atomic_update = ipu_plane_atomic_update, @@ -699,18 +729,71 @@ static const struct drm_plane_helper_funcs ipu_plane_helper_funcs = { int ipu_planes_assign_pre(struct drm_device *dev, struct drm_atomic_state *state) { + struct drm_crtc_state *old_crtc_state, *crtc_state; struct drm_plane_state *plane_state; + struct ipu_plane_state *ipu_state; + struct ipu_plane *ipu_plane; struct drm_plane *plane; + struct drm_crtc *crtc; int available_pres = ipu_prg_max_active_channels(); - int i; + int ret, i; + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, crtc_state, i) { + ret = drm_atomic_add_affected_planes(state, crtc); + if (ret) + return ret; + } + + /* + * We are going over the planes in 2 passes: first we assign PREs to + * planes with a tiling modifier, which need the PREs to resolve into + * linear. Any failure to assign a PRE there is fatal. In the second + * pass we try to assign PREs to linear FBs, to improve memory access + * patterns for them. Failure at this point is non-fatal, as we can + * scan out linear FBs without a PRE. + */ for_each_new_plane_in_state(state, plane, plane_state, i) { - struct ipu_plane_state *ipu_state = - to_ipu_plane_state(plane_state); - struct ipu_plane *ipu_plane = to_ipu_plane(plane); + ipu_state = to_ipu_plane_state(plane_state); + ipu_plane = to_ipu_plane(plane); + + if (!plane_state->fb) { + ipu_state->use_pre = false; + continue; + } + + if (!(plane_state->fb->flags & DRM_MODE_FB_MODIFIERS) || + plane_state->fb->modifier == DRM_FORMAT_MOD_LINEAR) + continue; + + if (!ipu_prg_present(ipu_plane->ipu) || !available_pres) + return -EINVAL; + + if (!ipu_prg_format_supported(ipu_plane->ipu, + plane_state->fb->format->format, + plane_state->fb->modifier)) + return -EINVAL; + + ipu_state->use_pre = true; + available_pres--; + } + + for_each_new_plane_in_state(state, plane, plane_state, i) { + ipu_state = to_ipu_plane_state(plane_state); + ipu_plane = to_ipu_plane(plane); + + if (!plane_state->fb) { + ipu_state->use_pre = false; + continue; + } + + if ((plane_state->fb->flags & DRM_MODE_FB_MODIFIERS) && + plane_state->fb->modifier != DRM_FORMAT_MOD_LINEAR) + continue; + + /* make sure that modifier is initialized */ + plane_state->fb->modifier = DRM_FORMAT_MOD_LINEAR; if (ipu_prg_present(ipu_plane->ipu) && available_pres && - plane_state->fb && ipu_prg_format_supported(ipu_plane->ipu, plane_state->fb->format->format, plane_state->fb->modifier)) { @@ -730,6 +813,7 @@ struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu, enum drm_plane_type type) { struct ipu_plane *ipu_plane; + const uint64_t *modifiers = ipu_format_modifiers; int ret; DRM_DEBUG_KMS("channel %d, dp flow %d, possible_crtcs=0x%x\n", @@ -745,10 +829,13 @@ struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu, ipu_plane->dma = dma; ipu_plane->dp_flow = dp; + if (ipu_prg_present(ipu)) + modifiers = pre_format_modifiers; + ret = drm_universal_plane_init(dev, &ipu_plane->base, possible_crtcs, &ipu_plane_funcs, ipu_plane_formats, ARRAY_SIZE(ipu_plane_formats), - NULL, type, NULL); + modifiers, type, NULL); if (ret) { DRM_ERROR("failed to initialize plane\n"); kfree(ipu_plane); |