int dpu_format_populate_layout(
struct msm_gem_address_space *aspace,
struct drm_framebuffer *fb,
struct dpu_hw_fmt_layout *layout)
{
uint32_t plane_addr[DPU_MAX_PLANES];
int i, ret;
if (!fb || !layout) {
DRM_ERROR("invalid arguments\n");
return -EINVAL;
}
if ((fb->width > DPU_MAX_IMG_WIDTH) ||
(fb->height > DPU_MAX_IMG_HEIGHT)) {
DRM_ERROR("image dimensions outside max range\n");
return -ERANGE;
}
layout->format = to_dpu_format(msm_framebuffer_format(fb));
/* Populate the plane sizes etc via get_format */
ret = dpu_format_get_plane_sizes(layout->format, fb->width, fb->height,
layout, fb->pitches);
if (ret)
return ret;
for (i = 0; i < DPU_MAX_PLANES; ++i)
plane_addr[i] = layout->plane_addr[i];
/* Populate the addresses given the fb */
if (DPU_FORMAT_IS_UBWC(layout->format) ||
DPU_FORMAT_IS_TILE(layout->format))
ret = _dpu_format_populate_addrs_ubwc(aspace, fb, layout);
else
ret = _dpu_format_populate_addrs_linear(aspace, fb, layout);
/* check if anything changed */
if (!ret && !memcmp(plane_addr, layout->plane_addr, sizeof(plane_addr)))
ret = -EAGAIN;
return ret;
}
int mdp4_plane_mode_set(struct drm_plane *plane,
struct drm_crtc *crtc, struct drm_framebuffer *fb,
int crtc_x, int crtc_y,
unsigned int crtc_w, unsigned int crtc_h,
uint32_t src_x, uint32_t src_y,
uint32_t src_w, uint32_t src_h)
{
struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane);
struct mdp4_kms *mdp4_kms = get_kms(plane);
enum mpd4_pipe pipe = mdp4_plane->pipe;
const struct mdp4_format *format;
uint32_t op_mode = 0;
uint32_t phasex_step = MDP4_VG_PHASE_STEP_DEFAULT;
uint32_t phasey_step = MDP4_VG_PHASE_STEP_DEFAULT;
/* src values are in Q16 fixed point, convert to integer: */
src_x = src_x >> 16;
src_y = src_y >> 16;
src_w = src_w >> 16;
src_h = src_h >> 16;
if (src_w != crtc_w) {
op_mode |= MDP4_PIPE_OP_MODE_SCALEX_EN;
/* TODO calc phasex_step */
}
if (src_h != crtc_h) {
op_mode |= MDP4_PIPE_OP_MODE_SCALEY_EN;
/* TODO calc phasey_step */
}
mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_SIZE(pipe),
MDP4_PIPE_SRC_SIZE_WIDTH(src_w) |
MDP4_PIPE_SRC_SIZE_HEIGHT(src_h));
mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_XY(pipe),
MDP4_PIPE_SRC_XY_X(src_x) |
MDP4_PIPE_SRC_XY_Y(src_y));
mdp4_write(mdp4_kms, REG_MDP4_PIPE_DST_SIZE(pipe),
MDP4_PIPE_DST_SIZE_WIDTH(crtc_w) |
MDP4_PIPE_DST_SIZE_HEIGHT(crtc_h));
mdp4_write(mdp4_kms, REG_MDP4_PIPE_DST_XY(pipe),
MDP4_PIPE_SRC_XY_X(crtc_x) |
MDP4_PIPE_SRC_XY_Y(crtc_y));
mdp4_plane_set_scanout(plane, fb);
format = to_mdp4_format(msm_framebuffer_format(fb));
mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_FORMAT(pipe),
MDP4_PIPE_SRC_FORMAT_A_BPC(format->bpc_a) |
MDP4_PIPE_SRC_FORMAT_R_BPC(format->bpc_r) |
MDP4_PIPE_SRC_FORMAT_G_BPC(format->bpc_g) |
MDP4_PIPE_SRC_FORMAT_B_BPC(format->bpc_b) |
COND(format->alpha_enable, MDP4_PIPE_SRC_FORMAT_ALPHA_ENABLE) |
MDP4_PIPE_SRC_FORMAT_CPP(format->cpp - 1) |
MDP4_PIPE_SRC_FORMAT_UNPACK_COUNT(format->unpack_count - 1) |
COND(format->unpack_tight, MDP4_PIPE_SRC_FORMAT_UNPACK_TIGHT));
mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_UNPACK(pipe),
MDP4_PIPE_SRC_UNPACK_ELEM0(format->unpack[0]) |
MDP4_PIPE_SRC_UNPACK_ELEM1(format->unpack[1]) |
MDP4_PIPE_SRC_UNPACK_ELEM2(format->unpack[2]) |
MDP4_PIPE_SRC_UNPACK_ELEM3(format->unpack[3]));
mdp4_write(mdp4_kms, REG_MDP4_PIPE_OP_MODE(pipe), op_mode);
mdp4_write(mdp4_kms, REG_MDP4_PIPE_PHASEX_STEP(pipe), phasex_step);
mdp4_write(mdp4_kms, REG_MDP4_PIPE_PHASEY_STEP(pipe), phasey_step);
plane->crtc = crtc;
return 0;
}
static void blend_setup(struct drm_crtc *crtc)
{
struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc);
struct mdp4_kms *mdp4_kms = get_kms(crtc);
int i, ovlp = mdp4_crtc->ovlp;
uint32_t mixer_cfg = 0;
static const enum mdp_mixer_stage_id stages[] = {
STAGE_BASE, STAGE0, STAGE1, STAGE2, STAGE3,
};
/* statically (for now) map planes to mixer stage (z-order): */
static const int idxs[] = {
[VG1] = 1,
[VG2] = 2,
[RGB1] = 0,
[RGB2] = 0,
[RGB3] = 0,
[VG3] = 3,
[VG4] = 4,
};
bool alpha[4]= { false, false, false, false };
mdp4_write(mdp4_kms, REG_MDP4_OVLP_TRANSP_LOW0(ovlp), 0);
mdp4_write(mdp4_kms, REG_MDP4_OVLP_TRANSP_LOW1(ovlp), 0);
mdp4_write(mdp4_kms, REG_MDP4_OVLP_TRANSP_HIGH0(ovlp), 0);
mdp4_write(mdp4_kms, REG_MDP4_OVLP_TRANSP_HIGH1(ovlp), 0);
/* TODO single register for all CRTCs, so this won't work properly
* when multiple CRTCs are active..
*/
for (i = 0; i < ARRAY_SIZE(mdp4_crtc->planes); i++) {
struct drm_plane *plane = mdp4_crtc->planes[i];
if (plane) {
enum mdp4_pipe pipe_id = mdp4_plane_pipe(plane);
int idx = idxs[pipe_id];
if (idx > 0) {
const struct mdp_format *format =
to_mdp_format(msm_framebuffer_format(plane->fb));
alpha[idx-1] = format->alpha_enable;
}
mixer_cfg |= mixercfg(mdp4_crtc->mixer, pipe_id, stages[idx]);
}
}
/* this shouldn't happen.. and seems to cause underflow: */
WARN_ON(!mixer_cfg);
for (i = 0; i < 4; i++) {
uint32_t op;
if (alpha[i]) {
op = MDP4_OVLP_STAGE_OP_FG_ALPHA(FG_PIXEL) |
MDP4_OVLP_STAGE_OP_BG_ALPHA(FG_PIXEL) |
MDP4_OVLP_STAGE_OP_BG_INV_ALPHA;
} else {
op = MDP4_OVLP_STAGE_OP_FG_ALPHA(FG_CONST) |
MDP4_OVLP_STAGE_OP_BG_ALPHA(BG_CONST);
}
mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_FG_ALPHA(ovlp, i), 0xff);
mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_BG_ALPHA(ovlp, i), 0x00);
mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_OP(ovlp, i), op);
mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_CO3(ovlp, i), 1);
mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_TRANSP_LOW0(ovlp, i), 0);
mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_TRANSP_LOW1(ovlp, i), 0);
mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_TRANSP_HIGH0(ovlp, i), 0);
mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_TRANSP_HIGH1(ovlp, i), 0);
}
mdp4_write(mdp4_kms, REG_MDP4_LAYERMIXER_IN_CFG, mixer_cfg);
}
int mdp5_plane_mode_set(struct drm_plane *plane,
struct drm_crtc *crtc, struct drm_framebuffer *fb,
int crtc_x, int crtc_y,
unsigned int crtc_w, unsigned int crtc_h,
uint32_t src_x, uint32_t src_y,
uint32_t src_w, uint32_t src_h)
{
struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
struct mdp5_kms *mdp5_kms = get_kms(plane);
enum mdp5_pipe pipe = mdp5_plane->pipe;
const struct mdp_format *format;
uint32_t nplanes, config = 0;
uint32_t phasex_step = 0, phasey_step = 0;
uint32_t hdecm = 0, vdecm = 0;
int i, nblks;
nplanes = drm_format_num_planes(fb->pixel_format);
/* bad formats should already be rejected: */
if (WARN_ON(nplanes > pipe2nclients(pipe)))
return -EINVAL;
/* src values are in Q16 fixed point, convert to integer: */
src_x = src_x >> 16;
src_y = src_y >> 16;
src_w = src_w >> 16;
src_h = src_h >> 16;
DBG("%s: FB[%u] %u,%u,%u,%u -> CRTC[%u] %d,%d,%u,%u", mdp5_plane->name,
fb->base.id, src_x, src_y, src_w, src_h,
crtc->base.id, crtc_x, crtc_y, crtc_w, crtc_h);
/*
* Calculate and request required # of smp blocks:
*/
nblks = request_smp_blocks(plane, fb->pixel_format, nplanes, src_w);
if (nblks < 0)
return nblks;
/*
* Currently we update the hw for allocations/requests immediately,
* but once atomic modeset/pageflip is in place, the allocation
* would move into atomic->check_plane_state(), while updating the
* hw would remain here:
*/
for (i = 0; i < pipe2nclients(pipe); i++)
mdp5_smp_configure(mdp5_kms, pipe2client(pipe, i));
if (src_w != crtc_w) {
config |= MDP5_PIPE_SCALE_CONFIG_SCALEX_EN;
/* TODO calc phasex_step, hdecm */
}
if (src_h != crtc_h) {
config |= MDP5_PIPE_SCALE_CONFIG_SCALEY_EN;
/* TODO calc phasey_step, vdecm */
}
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_IMG_SIZE(pipe),
MDP5_PIPE_SRC_IMG_SIZE_WIDTH(src_w) |
MDP5_PIPE_SRC_IMG_SIZE_HEIGHT(src_h));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_SIZE(pipe),
MDP5_PIPE_SRC_SIZE_WIDTH(src_w) |
MDP5_PIPE_SRC_SIZE_HEIGHT(src_h));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_XY(pipe),
MDP5_PIPE_SRC_XY_X(src_x) |
MDP5_PIPE_SRC_XY_Y(src_y));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_SIZE(pipe),
MDP5_PIPE_OUT_SIZE_WIDTH(crtc_w) |
MDP5_PIPE_OUT_SIZE_HEIGHT(crtc_h));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_XY(pipe),
MDP5_PIPE_OUT_XY_X(crtc_x) |
MDP5_PIPE_OUT_XY_Y(crtc_y));
mdp5_plane_set_scanout(plane, fb);
format = to_mdp_format(msm_framebuffer_format(fb));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_FORMAT(pipe),
MDP5_PIPE_SRC_FORMAT_A_BPC(format->bpc_a) |
MDP5_PIPE_SRC_FORMAT_R_BPC(format->bpc_r) |
MDP5_PIPE_SRC_FORMAT_G_BPC(format->bpc_g) |
MDP5_PIPE_SRC_FORMAT_B_BPC(format->bpc_b) |
COND(format->alpha_enable, MDP5_PIPE_SRC_FORMAT_ALPHA_ENABLE) |
MDP5_PIPE_SRC_FORMAT_CPP(format->cpp - 1) |
MDP5_PIPE_SRC_FORMAT_UNPACK_COUNT(format->unpack_count - 1) |
COND(format->unpack_tight, MDP5_PIPE_SRC_FORMAT_UNPACK_TIGHT) |
MDP5_PIPE_SRC_FORMAT_NUM_PLANES(nplanes - 1) |
MDP5_PIPE_SRC_FORMAT_CHROMA_SAMP(CHROMA_RGB));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_UNPACK(pipe),
MDP5_PIPE_SRC_UNPACK_ELEM0(format->unpack[0]) |
MDP5_PIPE_SRC_UNPACK_ELEM1(format->unpack[1]) |
MDP5_PIPE_SRC_UNPACK_ELEM2(format->unpack[2]) |
MDP5_PIPE_SRC_UNPACK_ELEM3(format->unpack[3]));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_OP_MODE(pipe),
MDP5_PIPE_SRC_OP_MODE_BWC(BWC_LOSSLESS));
/* not using secure mode: */
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_ADDR_SW_STATUS(pipe), 0);
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_X(pipe), phasex_step);
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_Y(pipe), phasey_step);
mdp5_write(mdp5_kms, REG_MDP5_PIPE_DECIMATION(pipe),
MDP5_PIPE_DECIMATION_VERT(vdecm) |
MDP5_PIPE_DECIMATION_HORZ(hdecm));
mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CONFIG(pipe),
MDP5_PIPE_SCALE_CONFIG_SCALEX_MIN_FILTER(SCALE_FILTER_NEAREST) |
MDP5_PIPE_SCALE_CONFIG_SCALEY_MIN_FILTER(SCALE_FILTER_NEAREST) |
MDP5_PIPE_SCALE_CONFIG_SCALEX_CR_FILTER(SCALE_FILTER_NEAREST) |
MDP5_PIPE_SCALE_CONFIG_SCALEY_CR_FILTER(SCALE_FILTER_NEAREST) |
MDP5_PIPE_SCALE_CONFIG_SCALEX_MAX_FILTER(SCALE_FILTER_NEAREST) |
MDP5_PIPE_SCALE_CONFIG_SCALEY_MAX_FILTER(SCALE_FILTER_NEAREST));
set_fifo_thresholds(plane, nblks);
/* TODO detach from old crtc (if we had more than one) */
mdp5_crtc_attach(crtc, plane);
return 0;
}
static int mdp4_plane_mode_set(struct drm_plane *plane,
struct drm_crtc *crtc, struct drm_framebuffer *fb,
int crtc_x, int crtc_y,
unsigned int crtc_w, unsigned int crtc_h,
uint32_t src_x, uint32_t src_y,
uint32_t src_w, uint32_t src_h)
{
struct drm_device *dev = plane->dev;
struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane);
struct mdp4_kms *mdp4_kms = get_kms(plane);
enum mdp4_pipe pipe = mdp4_plane->pipe;
const struct mdp_format *format;
uint32_t op_mode = 0;
uint32_t phasex_step = MDP4_VG_PHASE_STEP_DEFAULT;
uint32_t phasey_step = MDP4_VG_PHASE_STEP_DEFAULT;
enum mdp4_frame_format frame_type;
if (!(crtc && fb)) {
DBG("%s: disabled!", mdp4_plane->name);
return 0;
}
frame_type = mdp4_get_frame_format(fb);
/* src values are in Q16 fixed point, convert to integer: */
src_x = src_x >> 16;
src_y = src_y >> 16;
src_w = src_w >> 16;
src_h = src_h >> 16;
DBG("%s: FB[%u] %u,%u,%u,%u -> CRTC[%u] %d,%d,%u,%u", mdp4_plane->name,
fb->base.id, src_x, src_y, src_w, src_h,
crtc->base.id, crtc_x, crtc_y, crtc_w, crtc_h);
format = to_mdp_format(msm_framebuffer_format(fb));
if (src_w > (crtc_w * DOWN_SCALE_MAX)) {
dev_err(dev->dev, "Width down scaling exceeds limits!\n");
return -ERANGE;
}
if (src_h > (crtc_h * DOWN_SCALE_MAX)) {
dev_err(dev->dev, "Height down scaling exceeds limits!\n");
return -ERANGE;
}
if (crtc_w > (src_w * UP_SCALE_MAX)) {
dev_err(dev->dev, "Width up scaling exceeds limits!\n");
return -ERANGE;
}
if (crtc_h > (src_h * UP_SCALE_MAX)) {
dev_err(dev->dev, "Height up scaling exceeds limits!\n");
return -ERANGE;
}
if (src_w != crtc_w) {
uint32_t sel_unit = SCALE_FIR;
op_mode |= MDP4_PIPE_OP_MODE_SCALEX_EN;
if (MDP_FORMAT_IS_YUV(format)) {
if (crtc_w > src_w)
sel_unit = SCALE_PIXEL_RPT;
else if (crtc_w <= (src_w / 4))
sel_unit = SCALE_MN_PHASE;
op_mode |= MDP4_PIPE_OP_MODE_SCALEX_UNIT_SEL(sel_unit);
phasex_step = mult_frac(MDP4_VG_PHASE_STEP_DEFAULT,
src_w, crtc_w);
}
}
if (src_h != crtc_h) {
uint32_t sel_unit = SCALE_FIR;
op_mode |= MDP4_PIPE_OP_MODE_SCALEY_EN;
if (MDP_FORMAT_IS_YUV(format)) {
if (crtc_h > src_h)
sel_unit = SCALE_PIXEL_RPT;
else if (crtc_h <= (src_h / 4))
sel_unit = SCALE_MN_PHASE;
op_mode |= MDP4_PIPE_OP_MODE_SCALEY_UNIT_SEL(sel_unit);
phasey_step = mult_frac(MDP4_VG_PHASE_STEP_DEFAULT,
src_h, crtc_h);
}
}
mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_SIZE(pipe),
MDP4_PIPE_SRC_SIZE_WIDTH(src_w) |
MDP4_PIPE_SRC_SIZE_HEIGHT(src_h));
mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_XY(pipe),
MDP4_PIPE_SRC_XY_X(src_x) |
MDP4_PIPE_SRC_XY_Y(src_y));
mdp4_write(mdp4_kms, REG_MDP4_PIPE_DST_SIZE(pipe),
MDP4_PIPE_DST_SIZE_WIDTH(crtc_w) |
MDP4_PIPE_DST_SIZE_HEIGHT(crtc_h));
mdp4_write(mdp4_kms, REG_MDP4_PIPE_DST_XY(pipe),
MDP4_PIPE_DST_XY_X(crtc_x) |
MDP4_PIPE_DST_XY_Y(crtc_y));
mdp4_plane_set_scanout(plane, fb);
mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_FORMAT(pipe),
MDP4_PIPE_SRC_FORMAT_A_BPC(format->bpc_a) |
MDP4_PIPE_SRC_FORMAT_R_BPC(format->bpc_r) |
MDP4_PIPE_SRC_FORMAT_G_BPC(format->bpc_g) |
MDP4_PIPE_SRC_FORMAT_B_BPC(format->bpc_b) |
COND(format->alpha_enable, MDP4_PIPE_SRC_FORMAT_ALPHA_ENABLE) |
MDP4_PIPE_SRC_FORMAT_CPP(format->cpp - 1) |
MDP4_PIPE_SRC_FORMAT_UNPACK_COUNT(format->unpack_count - 1) |
MDP4_PIPE_SRC_FORMAT_FETCH_PLANES(format->fetch_type) |
MDP4_PIPE_SRC_FORMAT_CHROMA_SAMP(format->chroma_sample) |
MDP4_PIPE_SRC_FORMAT_FRAME_FORMAT(frame_type) |
COND(format->unpack_tight, MDP4_PIPE_SRC_FORMAT_UNPACK_TIGHT));
mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_UNPACK(pipe),
MDP4_PIPE_SRC_UNPACK_ELEM0(format->unpack[0]) |
MDP4_PIPE_SRC_UNPACK_ELEM1(format->unpack[1]) |
MDP4_PIPE_SRC_UNPACK_ELEM2(format->unpack[2]) |
MDP4_PIPE_SRC_UNPACK_ELEM3(format->unpack[3]));
if (MDP_FORMAT_IS_YUV(format)) {
struct csc_cfg *csc = mdp_get_default_csc_cfg(CSC_YUV2RGB);
op_mode |= MDP4_PIPE_OP_MODE_SRC_YCBCR;
op_mode |= MDP4_PIPE_OP_MODE_CSC_EN;
mdp4_write_csc_config(mdp4_kms, pipe, csc);
}
mdp4_write(mdp4_kms, REG_MDP4_PIPE_OP_MODE(pipe), op_mode);
mdp4_write(mdp4_kms, REG_MDP4_PIPE_PHASEX_STEP(pipe), phasex_step);
mdp4_write(mdp4_kms, REG_MDP4_PIPE_PHASEY_STEP(pipe), phasey_step);
if (frame_type != FRAME_LINEAR)
mdp4_write(mdp4_kms, REG_MDP4_PIPE_SSTILE_FRAME_SIZE(pipe),
MDP4_PIPE_SSTILE_FRAME_SIZE_WIDTH(src_w) |
MDP4_PIPE_SSTILE_FRAME_SIZE_HEIGHT(src_h));
return 0;
}