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author | Maxime Ripard <maxime@cerno.tech> | 2021-05-11 13:35:52 +0200 |
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committer | Maxime Ripard <maxime@cerno.tech> | 2021-05-11 13:35:52 +0200 |
commit | c55b44c9386f3ee1b08752638559f19deaf6040d (patch) | |
tree | c843a21f45180387fcd9eb2625cc9d1f166a3156 /drivers/gpu/drm/stm/ltdc.c | |
parent | MAINTAINERS: Update my e-mail (diff) | |
parent | Linux 5.13-rc1 (diff) | |
download | linux-c55b44c9386f3ee1b08752638559f19deaf6040d.tar.xz linux-c55b44c9386f3ee1b08752638559f19deaf6040d.zip |
Merge drm/drm-fixes into drm-misc-fixes
Start this new release drm-misc-fixes branch
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/gpu/drm/stm/ltdc.c')
-rw-r--r-- | drivers/gpu/drm/stm/ltdc.c | 96 |
1 files changed, 61 insertions, 35 deletions
diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c index 7812094f93d6..65c3c79ad1d5 100644 --- a/drivers/gpu/drm/stm/ltdc.c +++ b/drivers/gpu/drm/stm/ltdc.c @@ -26,11 +26,12 @@ #include <drm/drm_device.h> #include <drm/drm_fb_cma_helper.h> #include <drm/drm_fourcc.h> +#include <drm/drm_gem_atomic_helper.h> #include <drm/drm_gem_cma_helper.h> -#include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_of.h> #include <drm/drm_plane_helper.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include <drm/drm_vblank.h> #include <video/videomode.h> @@ -525,13 +526,42 @@ static void ltdc_crtc_mode_set_nofb(struct drm_crtc *crtc) { struct ltdc_device *ldev = crtc_to_ltdc(crtc); struct drm_device *ddev = crtc->dev; + struct drm_connector_list_iter iter; + struct drm_connector *connector = NULL; + struct drm_encoder *encoder = NULL; + struct drm_bridge *bridge = NULL; struct drm_display_mode *mode = &crtc->state->adjusted_mode; struct videomode vm; u32 hsync, vsync, accum_hbp, accum_vbp, accum_act_w, accum_act_h; u32 total_width, total_height; + u32 bus_flags = 0; u32 val; int ret; + /* get encoder from crtc */ + drm_for_each_encoder(encoder, ddev) + if (encoder->crtc == crtc) + break; + + if (encoder) { + /* get bridge from encoder */ + list_for_each_entry(bridge, &encoder->bridge_chain, chain_node) + if (bridge->encoder == encoder) + break; + + /* Get the connector from encoder */ + drm_connector_list_iter_begin(ddev, &iter); + drm_for_each_connector_iter(connector, &iter) + if (connector->encoder == encoder) + break; + drm_connector_list_iter_end(&iter); + } + + if (bridge && bridge->timings) + bus_flags = bridge->timings->input_bus_flags; + else if (connector) + bus_flags = connector->display_info.bus_flags; + if (!pm_runtime_active(ddev->dev)) { ret = pm_runtime_get_sync(ddev->dev); if (ret) { @@ -567,10 +597,10 @@ static void ltdc_crtc_mode_set_nofb(struct drm_crtc *crtc) if (vm.flags & DISPLAY_FLAGS_VSYNC_HIGH) val |= GCR_VSPOL; - if (vm.flags & DISPLAY_FLAGS_DE_LOW) + if (bus_flags & DRM_BUS_FLAG_DE_LOW) val |= GCR_DEPOL; - if (vm.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE) + if (bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE) val |= GCR_PCPOL; reg_update_bits(ldev->regs, LTDC_GCR, @@ -720,9 +750,11 @@ static const struct drm_crtc_funcs ltdc_crtc_funcs = { */ static int ltdc_plane_atomic_check(struct drm_plane *plane, - struct drm_plane_state *state) + struct drm_atomic_state *state) { - struct drm_framebuffer *fb = state->fb; + struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, + plane); + struct drm_framebuffer *fb = new_plane_state->fb; u32 src_w, src_h; DRM_DEBUG_DRIVER("\n"); @@ -731,11 +763,11 @@ static int ltdc_plane_atomic_check(struct drm_plane *plane, return 0; /* convert src_ from 16:16 format */ - src_w = state->src_w >> 16; - src_h = state->src_h >> 16; + src_w = new_plane_state->src_w >> 16; + src_h = new_plane_state->src_h >> 16; /* Reject scaling */ - if (src_w != state->crtc_w || src_h != state->crtc_h) { + if (src_w != new_plane_state->crtc_w || src_h != new_plane_state->crtc_h) { DRM_ERROR("Scaling is not supported"); return -EINVAL; } @@ -744,36 +776,37 @@ static int ltdc_plane_atomic_check(struct drm_plane *plane, } static void ltdc_plane_atomic_update(struct drm_plane *plane, - struct drm_plane_state *oldstate) + struct drm_atomic_state *state) { struct ltdc_device *ldev = plane_to_ltdc(plane); - struct drm_plane_state *state = plane->state; - struct drm_framebuffer *fb = state->fb; + struct drm_plane_state *newstate = drm_atomic_get_new_plane_state(state, + plane); + struct drm_framebuffer *fb = newstate->fb; u32 lofs = plane->index * LAY_OFS; - u32 x0 = state->crtc_x; - u32 x1 = state->crtc_x + state->crtc_w - 1; - u32 y0 = state->crtc_y; - u32 y1 = state->crtc_y + state->crtc_h - 1; + u32 x0 = newstate->crtc_x; + u32 x1 = newstate->crtc_x + newstate->crtc_w - 1; + u32 y0 = newstate->crtc_y; + u32 y1 = newstate->crtc_y + newstate->crtc_h - 1; u32 src_x, src_y, src_w, src_h; u32 val, pitch_in_bytes, line_length, paddr, ahbp, avbp, bpcr; enum ltdc_pix_fmt pf; - if (!state->crtc || !fb) { + if (!newstate->crtc || !fb) { DRM_DEBUG_DRIVER("fb or crtc NULL"); return; } /* convert src_ from 16:16 format */ - src_x = state->src_x >> 16; - src_y = state->src_y >> 16; - src_w = state->src_w >> 16; - src_h = state->src_h >> 16; + src_x = newstate->src_x >> 16; + src_y = newstate->src_y >> 16; + src_w = newstate->src_w >> 16; + src_h = newstate->src_h >> 16; DRM_DEBUG_DRIVER("plane:%d fb:%d (%dx%d)@(%d,%d) -> (%dx%d)@(%d,%d)\n", plane->base.id, fb->base.id, src_w, src_h, src_x, src_y, - state->crtc_w, state->crtc_h, - state->crtc_x, state->crtc_y); + newstate->crtc_w, newstate->crtc_h, + newstate->crtc_x, newstate->crtc_y); bpcr = reg_read(ldev->regs, LTDC_BPCR); ahbp = (bpcr & BPCR_AHBP) >> 16; @@ -832,7 +865,7 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane, reg_update_bits(ldev->regs, LTDC_L1CFBLNR + lofs, LXCFBLNR_CFBLN, val); /* Sets the FB address */ - paddr = (u32)drm_fb_cma_get_gem_addr(fb, state, 0); + paddr = (u32)drm_fb_cma_get_gem_addr(fb, newstate, 0); DRM_DEBUG_DRIVER("fb: phys 0x%08x", paddr); reg_write(ldev->regs, LTDC_L1CFBAR + lofs, paddr); @@ -858,8 +891,10 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane, } static void ltdc_plane_atomic_disable(struct drm_plane *plane, - struct drm_plane_state *oldstate) + struct drm_atomic_state *state) { + struct drm_plane_state *oldstate = drm_atomic_get_old_plane_state(state, + plane); struct ltdc_device *ldev = plane_to_ltdc(plane); u32 lofs = plane->index * LAY_OFS; @@ -911,7 +946,7 @@ static const struct drm_plane_funcs ltdc_plane_funcs = { }; static const struct drm_plane_helper_funcs ltdc_plane_helper_funcs = { - .prepare_fb = drm_gem_fb_prepare_fb, + .prepare_fb = drm_gem_plane_helper_prepare_fb, .atomic_check = ltdc_plane_atomic_check, .atomic_update = ltdc_plane_atomic_update, .atomic_disable = ltdc_plane_atomic_disable, @@ -1020,14 +1055,6 @@ cleanup: return ret; } -/* - * DRM_ENCODER - */ - -static const struct drm_encoder_funcs ltdc_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static void ltdc_encoder_disable(struct drm_encoder *encoder) { struct drm_device *ddev = encoder->dev; @@ -1088,8 +1115,7 @@ static int ltdc_encoder_init(struct drm_device *ddev, struct drm_bridge *bridge) encoder->possible_crtcs = CRTC_MASK; encoder->possible_clones = 0; /* No cloning support */ - drm_encoder_init(ddev, encoder, <dc_encoder_funcs, - DRM_MODE_ENCODER_DPI, NULL); + drm_simple_encoder_init(ddev, encoder, DRM_MODE_ENCODER_DPI); drm_encoder_helper_add(encoder, <dc_encoder_helper_funcs); |