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@@ -209,22 +209,11 @@ int sun4i_backend_update_layer_buffer(struct sun4i_backend *backend,
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{
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struct drm_plane_state *state = plane->state;
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struct drm_framebuffer *fb = state->fb;
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- struct drm_gem_cma_object *gem;
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u32 lo_paddr, hi_paddr;
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dma_addr_t paddr;
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- int bpp;
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-
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- /* Get the physical address of the buffer in memory */
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- gem = drm_fb_cma_get_gem_obj(fb, 0);
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-
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- DRM_DEBUG_DRIVER("Using GEM @ %pad\n", &gem->paddr);
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-
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- /* Compute the start of the displayed memory */
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- bpp = fb->format->cpp[0];
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- paddr = gem->paddr + fb->offsets[0];
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- paddr += (state->src_x >> 16) * bpp;
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- paddr += (state->src_y >> 16) * fb->pitches[0];
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+ /* Get the start of the displayed memory */
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+ paddr = drm_fb_cma_get_gem_addr(fb, state, 0);
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DRM_DEBUG_DRIVER("Setting buffer address to %pad\n", &paddr);
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/* Write the 32 lower bits of the address (in bits) */
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