static void mdp4_plane_set_scanout(struct drm_plane *plane,
struct drm_framebuffer *fb)
{
struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane);
struct mdp4_kms *mdp4_kms = get_kms(plane);
enum mdp4_pipe pipe = mdp4_plane->pipe;
mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_STRIDE_A(pipe),
MDP4_PIPE_SRC_STRIDE_A_P0(fb->pitches[0]) |
MDP4_PIPE_SRC_STRIDE_A_P1(fb->pitches[1]));
mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_STRIDE_B(pipe),
MDP4_PIPE_SRC_STRIDE_B_P2(fb->pitches[2]) |
MDP4_PIPE_SRC_STRIDE_B_P3(fb->pitches[3]));
mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRCP0_BASE(pipe),
msm_framebuffer_iova(fb, mdp4_kms->id, 0));
mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRCP1_BASE(pipe),
msm_framebuffer_iova(fb, mdp4_kms->id, 1));
mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRCP2_BASE(pipe),
msm_framebuffer_iova(fb, mdp4_kms->id, 2));
mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRCP3_BASE(pipe),
msm_framebuffer_iova(fb, mdp4_kms->id, 3));
plane->fb = fb;
}
static void set_scanout_locked(struct drm_plane *plane,
struct drm_framebuffer *fb)
{
struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
struct mdp5_kms *mdp5_kms = get_kms(plane);
enum mdp5_pipe pipe = mdp5_plane->pipe;
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_A(pipe),
MDP5_PIPE_SRC_STRIDE_A_P0(fb->pitches[0]) |
MDP5_PIPE_SRC_STRIDE_A_P1(fb->pitches[1]));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_B(pipe),
MDP5_PIPE_SRC_STRIDE_B_P2(fb->pitches[2]) |
MDP5_PIPE_SRC_STRIDE_B_P3(fb->pitches[3]));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC0_ADDR(pipe),
msm_framebuffer_iova(fb, mdp5_kms->id, 0));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC1_ADDR(pipe),
msm_framebuffer_iova(fb, mdp5_kms->id, 1));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC2_ADDR(pipe),
msm_framebuffer_iova(fb, mdp5_kms->id, 2));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC3_ADDR(pipe),
msm_framebuffer_iova(fb, mdp5_kms->id, 4));
plane->fb = fb;
}
static int _dpu_format_populate_addrs_linear(
struct msm_gem_address_space *aspace,
struct drm_framebuffer *fb,
struct dpu_hw_fmt_layout *layout)
{
unsigned int i;
/* Can now check the pitches given vs pitches expected */
for (i = 0; i < layout->num_planes; ++i) {
if (layout->plane_pitch[i] > fb->pitches[i]) {
DRM_ERROR("plane %u expected pitch %u, fb %u\n",
i, layout->plane_pitch[i], fb->pitches[i]);
return -EINVAL;
}
}
/* Populate addresses for simple formats here */
for (i = 0; i < layout->num_planes; ++i) {
if (aspace)
layout->plane_addr[i] =
msm_framebuffer_iova(fb, aspace, i);
if (!layout->plane_addr[i]) {
DRM_ERROR("failed to retrieve base addr\n");
return -EFAULT;
}
}
return 0;
}
static int _dpu_format_populate_addrs_ubwc(
struct msm_gem_address_space *aspace,
struct drm_framebuffer *fb,
struct dpu_hw_fmt_layout *layout)
{
uint32_t base_addr = 0;
bool meta;
if (!fb || !layout) {
DRM_ERROR("invalid pointers\n");
return -EINVAL;
}
if (aspace)
base_addr = msm_framebuffer_iova(fb, aspace, 0);
if (!base_addr) {
DRM_ERROR("failed to retrieve base addr\n");
return -EFAULT;
}
meta = DPU_FORMAT_IS_UBWC(layout->format);
/* Per-format logic for verifying active planes */
if (DPU_FORMAT_IS_YUV(layout->format)) {
/************************************************/
/* UBWC ** */
/* buffer ** DPU PLANE */
/* format ** */
/************************************************/
/* ------------------- ** -------------------- */
/* | Y meta | ** | Y bitstream | */
/* | data | ** | plane | */
/* ------------------- ** -------------------- */
/* | Y bitstream | ** | CbCr bitstream | */
/* | data | ** | plane | */
/* ------------------- ** -------------------- */
/* | Cbcr metadata | ** | Y meta | */
/* | data | ** | plane | */
/* ------------------- ** -------------------- */
/* | CbCr bitstream | ** | CbCr meta | */
/* | data | ** | plane | */
/* ------------------- ** -------------------- */
/************************************************/
/* configure Y bitstream plane */
layout->plane_addr[0] = base_addr + layout->plane_size[2];
/* configure CbCr bitstream plane */
layout->plane_addr[1] = base_addr + layout->plane_size[0]
+ layout->plane_size[2] + layout->plane_size[3];
if (!meta)
goto done;
/* configure Y metadata plane */
layout->plane_addr[2] = base_addr;
/* configure CbCr metadata plane */
layout->plane_addr[3] = base_addr + layout->plane_size[0]
+ layout->plane_size[2];
} else {
/************************************************/
/* UBWC ** */
/* buffer ** DPU PLANE */
/* format ** */
/************************************************/
/* ------------------- ** -------------------- */
/* | RGB meta | ** | RGB bitstream | */
/* | data | ** | plane | */
/* ------------------- ** -------------------- */
/* | RGB bitstream | ** | NONE | */
/* | data | ** | | */
/* ------------------- ** -------------------- */
/* ** | RGB meta | */
/* ** | plane | */
/* ** -------------------- */
/************************************************/
layout->plane_addr[0] = base_addr + layout->plane_size[2];
layout->plane_addr[1] = 0;
if (!meta)
goto done;
layout->plane_addr[2] = base_addr;
layout->plane_addr[3] = 0;
}
done:
return 0;
}
