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drm/i915/dsi: take compression into account in afe_clk() 

Pass crtc_state to afe_clk() to be able to take compression into account
in the computation. Once we enable compression, that is.

Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/a698780362b8d6955d115ef8bb6cf1f7aabbee00.1575974743.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2019-12-10 12:50:56 +02:00
parent adf1bd3dfb
commit 0486513935
1 changed files with 24 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/gpu/drm/i915/display/icl_dsi.c
View File

@ -302,17 +302,22 @@ static void configure_dual_link_mode(struct intel_encoder *encoder,
}
/* aka DSI 8X clock */
static int afe_clk(struct intel_encoder *encoder)
static int afe_clk(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state)
{
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
int bpp;
if (crtc_state->dsc.compression_enable)
bpp = crtc_state->dsc.compressed_bpp;
else
bpp = mipi_dsi_pixel_format_to_bpp(intel_dsi->pixel_format);
return DIV_ROUND_CLOSEST(intel_dsi->pclk * bpp, intel_dsi->lane_count);
}
static void gen11_dsi_program_esc_clk_div(struct intel_encoder *encoder)
static void gen11_dsi_program_esc_clk_div(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
@ -320,7 +325,7 @@ static void gen11_dsi_program_esc_clk_div(struct intel_encoder *encoder)
int afe_clk_khz;
u32 esc_clk_div_m;
afe_clk_khz = afe_clk(encoder);
afe_clk_khz = afe_clk(encoder, crtc_state);
esc_clk_div_m = DIV_ROUND_UP(afe_clk_khz, DSI_MAX_ESC_CLK);
for_each_dsi_port(port, intel_dsi->ports) {
@ -498,7 +503,9 @@ static void gen11_dsi_enable_ddi_buffer(struct intel_encoder *encoder)
}
}
static void gen11_dsi_setup_dphy_timings(struct intel_encoder *encoder)
static void
gen11_dsi_setup_dphy_timings(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
@ -539,7 +546,7 @@ static void gen11_dsi_setup_dphy_timings(struct intel_encoder *encoder)
* leave all fields at HW default values.
*/
if (IS_GEN(dev_priv, 11)) {
if (afe_clk(encoder) <= 800000) {
if (afe_clk(encoder, crtc_state) <= 800000) {
for_each_dsi_port(port, intel_dsi->ports) {
tmp = I915_READ(DPHY_TA_TIMING_PARAM(port));
tmp &= ~TA_SURE_MASK;
@ -649,7 +656,7 @@ gen11_dsi_configure_transcoder(struct intel_encoder *encoder,
tmp |= EOTP_DISABLED;
/* enable link calibration if freq > 1.5Gbps */
if (afe_clk(encoder) >= 1500 * 1000) {
if (afe_clk(encoder, pipe_config) >= 1500 * 1000) {
tmp &= ~LINK_CALIBRATION_MASK;
tmp |= CALIBRATION_ENABLED_INITIAL_ONLY;
}
@ -915,7 +922,8 @@ static void gen11_dsi_enable_transcoder(struct intel_encoder *encoder)
}
}
static void gen11_dsi_setup_timeouts(struct intel_encoder *encoder)
static void gen11_dsi_setup_timeouts(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
@ -930,7 +938,7 @@ static void gen11_dsi_setup_timeouts(struct intel_encoder *encoder)
* TIME_NS = (BYTE_CLK_COUNT * 8 * 10^6)/ Bitrate
* ESCAPE_CLK_COUNT = TIME_NS/ESC_CLK_NS
*/
divisor = intel_dsi_tlpx_ns(intel_dsi) * afe_clk(encoder) * 1000;
divisor = intel_dsi_tlpx_ns(intel_dsi) * afe_clk(encoder, crtc_state) * 1000;
mul = 8 * 1000000;
hs_tx_timeout = DIV_ROUND_UP(intel_dsi->hs_tx_timeout * mul,
divisor);
@ -966,7 +974,7 @@ static void gen11_dsi_setup_timeouts(struct intel_encoder *encoder)
static void
gen11_dsi_enable_port_and_phy(struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config)
const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
@ -983,13 +991,13 @@ gen11_dsi_enable_port_and_phy(struct intel_encoder *encoder,
gen11_dsi_enable_ddi_buffer(encoder);
/* setup D-PHY timings */
gen11_dsi_setup_dphy_timings(encoder);
gen11_dsi_setup_dphy_timings(encoder, crtc_state);
/* step 4h: setup DSI protocol timeouts */
gen11_dsi_setup_timeouts(encoder);
gen11_dsi_setup_timeouts(encoder, crtc_state);
/* Step (4h, 4i, 4j, 4k): Configure transcoder */
gen11_dsi_configure_transcoder(encoder, pipe_config);
gen11_dsi_configure_transcoder(encoder, crtc_state);
/* Step 4l: Gate DDI clocks */
if (IS_GEN(dev_priv, 11))
@ -1036,14 +1044,14 @@ static void gen11_dsi_powerup_panel(struct intel_encoder *encoder)
}
static void gen11_dsi_pre_pll_enable(struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
/* step2: enable IO power */
gen11_dsi_enable_io_power(encoder);
/* step3: enable DSI PLL */
gen11_dsi_program_esc_clk_div(encoder);
gen11_dsi_program_esc_clk_div(encoder, crtc_state);
}
static void gen11_dsi_pre_enable(struct intel_encoder *encoder,
@ -1300,7 +1308,7 @@ static int gen11_dsi_compute_config(struct intel_encoder *encoder,
pipe_config->pipe_bpp = 18;
pipe_config->clock_set = true;
pipe_config->port_clock = afe_clk(encoder) / 5;
pipe_config->port_clock = afe_clk(encoder, pipe_config) / 5;
return 0;
}