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path: root/drivers/gpu/drm/i915/display/intel_dpll.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dpll.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_dpll.c135
1 files changed, 63 insertions, 72 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dpll.c b/drivers/gpu/drm/i915/display/intel_dpll.c
index a9e9b98d0bf9..dd7a29c10b5d 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll.c
@@ -6,7 +6,8 @@
#include <linux/kernel.h>
#include <linux/string_helpers.h>
-#include "i915_drv.h"
+#include <drm/drm_print.h>
+
#include "i915_reg.h"
#include "intel_atomic.h"
#include "intel_crtc.h"
@@ -513,8 +514,8 @@ void i9xx_crtc_clock_get(struct intel_crtc_state *crtc_state)
void vlv_crtc_clock_get(struct intel_crtc_state *crtc_state)
{
+ struct intel_display *display = to_intel_display(crtc_state);
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
- struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
enum dpio_channel ch = vlv_pipe_to_channel(crtc->pipe);
enum dpio_phy phy = vlv_pipe_to_phy(crtc->pipe);
const struct i9xx_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.i9xx;
@@ -526,9 +527,9 @@ void vlv_crtc_clock_get(struct intel_crtc_state *crtc_state)
if ((hw_state->dpll & DPLL_VCO_ENABLE) == 0)
return;
- vlv_dpio_get(dev_priv);
- tmp = vlv_dpio_read(dev_priv, phy, VLV_PLL_DW3(ch));
- vlv_dpio_put(dev_priv);
+ vlv_dpio_get(display->drm);
+ tmp = vlv_dpio_read(display->drm, phy, VLV_PLL_DW3(ch));
+ vlv_dpio_put(display->drm);
clock.m1 = REG_FIELD_GET(DPIO_M1_DIV_MASK, tmp);
clock.m2 = REG_FIELD_GET(DPIO_M2_DIV_MASK, tmp);
@@ -541,8 +542,8 @@ void vlv_crtc_clock_get(struct intel_crtc_state *crtc_state)
void chv_crtc_clock_get(struct intel_crtc_state *crtc_state)
{
+ struct intel_display *display = to_intel_display(crtc_state);
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
- struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
enum dpio_channel ch = vlv_pipe_to_channel(crtc->pipe);
enum dpio_phy phy = vlv_pipe_to_phy(crtc->pipe);
const struct i9xx_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.i9xx;
@@ -554,13 +555,13 @@ void chv_crtc_clock_get(struct intel_crtc_state *crtc_state)
if ((hw_state->dpll & DPLL_VCO_ENABLE) == 0)
return;
- vlv_dpio_get(dev_priv);
- cmn_dw13 = vlv_dpio_read(dev_priv, phy, CHV_CMN_DW13(ch));
- pll_dw0 = vlv_dpio_read(dev_priv, phy, CHV_PLL_DW0(ch));
- pll_dw1 = vlv_dpio_read(dev_priv, phy, CHV_PLL_DW1(ch));
- pll_dw2 = vlv_dpio_read(dev_priv, phy, CHV_PLL_DW2(ch));
- pll_dw3 = vlv_dpio_read(dev_priv, phy, CHV_PLL_DW3(ch));
- vlv_dpio_put(dev_priv);
+ vlv_dpio_get(display->drm);
+ cmn_dw13 = vlv_dpio_read(display->drm, phy, CHV_CMN_DW13(ch));
+ pll_dw0 = vlv_dpio_read(display->drm, phy, CHV_PLL_DW0(ch));
+ pll_dw1 = vlv_dpio_read(display->drm, phy, CHV_PLL_DW1(ch));
+ pll_dw2 = vlv_dpio_read(display->drm, phy, CHV_PLL_DW2(ch));
+ pll_dw3 = vlv_dpio_read(display->drm, phy, CHV_PLL_DW3(ch));
+ vlv_dpio_put(display->drm);
clock.m1 = REG_FIELD_GET(DPIO_CHV_M1_DIV_MASK, pll_dw1) == DPIO_CHV_M1_DIV_BY_2 ? 2 : 0;
clock.m2 = REG_FIELD_GET(DPIO_CHV_M2_DIV_MASK, pll_dw0) << 22;
@@ -1871,45 +1872,43 @@ void i9xx_enable_pll(const struct intel_crtc_state *crtc_state)
static void vlv_pllb_recal_opamp(struct intel_display *display,
enum dpio_phy phy, enum dpio_channel ch)
{
- struct drm_i915_private *dev_priv = to_i915(display->drm);
u32 tmp;
/*
* PLLB opamp always calibrates to max value of 0x3f, force enable it
* and set it to a reasonable value instead.
*/
- tmp = vlv_dpio_read(dev_priv, phy, VLV_PLL_DW17(ch));
+ tmp = vlv_dpio_read(display->drm, phy, VLV_PLL_DW17(ch));
tmp &= 0xffffff00;
tmp |= 0x00000030;
- vlv_dpio_write(dev_priv, phy, VLV_PLL_DW17(ch), tmp);
+ vlv_dpio_write(display->drm, phy, VLV_PLL_DW17(ch), tmp);
- tmp = vlv_dpio_read(dev_priv, phy, VLV_REF_DW11);
+ tmp = vlv_dpio_read(display->drm, phy, VLV_REF_DW11);
tmp &= 0x00ffffff;
tmp |= 0x8c000000;
- vlv_dpio_write(dev_priv, phy, VLV_REF_DW11, tmp);
+ vlv_dpio_write(display->drm, phy, VLV_REF_DW11, tmp);
- tmp = vlv_dpio_read(dev_priv, phy, VLV_PLL_DW17(ch));
+ tmp = vlv_dpio_read(display->drm, phy, VLV_PLL_DW17(ch));
tmp &= 0xffffff00;
- vlv_dpio_write(dev_priv, phy, VLV_PLL_DW17(ch), tmp);
+ vlv_dpio_write(display->drm, phy, VLV_PLL_DW17(ch), tmp);
- tmp = vlv_dpio_read(dev_priv, phy, VLV_REF_DW11);
+ tmp = vlv_dpio_read(display->drm, phy, VLV_REF_DW11);
tmp &= 0x00ffffff;
tmp |= 0xb0000000;
- vlv_dpio_write(dev_priv, phy, VLV_REF_DW11, tmp);
+ vlv_dpio_write(display->drm, phy, VLV_REF_DW11, tmp);
}
static void vlv_prepare_pll(const struct intel_crtc_state *crtc_state)
{
struct intel_display *display = to_intel_display(crtc_state);
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
- struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
const struct dpll *clock = &crtc_state->dpll;
enum dpio_channel ch = vlv_pipe_to_channel(crtc->pipe);
enum dpio_phy phy = vlv_pipe_to_phy(crtc->pipe);
enum pipe pipe = crtc->pipe;
u32 tmp, coreclk;
- vlv_dpio_get(dev_priv);
+ vlv_dpio_get(display->drm);
/* See eDP HDMI DPIO driver vbios notes doc */
@@ -1918,15 +1917,15 @@ static void vlv_prepare_pll(const struct intel_crtc_state *crtc_state)
vlv_pllb_recal_opamp(display, phy, ch);
/* Set up Tx target for periodic Rcomp update */
- vlv_dpio_write(dev_priv, phy, VLV_PCS_DW17_BCAST, 0x0100000f);
+ vlv_dpio_write(display->drm, phy, VLV_PCS_DW17_BCAST, 0x0100000f);
/* Disable target IRef on PLL */
- tmp = vlv_dpio_read(dev_priv, phy, VLV_PLL_DW16(ch));
+ tmp = vlv_dpio_read(display->drm, phy, VLV_PLL_DW16(ch));
tmp &= 0x00ffffff;
- vlv_dpio_write(dev_priv, phy, VLV_PLL_DW16(ch), tmp);
+ vlv_dpio_write(display->drm, phy, VLV_PLL_DW16(ch), tmp);
/* Disable fast lock */
- vlv_dpio_write(dev_priv, phy, VLV_CMN_DW0, 0x610);
+ vlv_dpio_write(display->drm, phy, VLV_CMN_DW0, 0x610);
/* Set idtafcrecal before PLL is enabled */
tmp = DPIO_M1_DIV(clock->m1) |
@@ -1942,48 +1941,42 @@ static void vlv_prepare_pll(const struct intel_crtc_state *crtc_state)
* Note: don't use the DAC post divider as it seems unstable.
*/
tmp |= DPIO_S1_DIV(DPIO_S1_DIV_HDMIDP);
- vlv_dpio_write(dev_priv, phy, VLV_PLL_DW3(ch), tmp);
+ vlv_dpio_write(display->drm, phy, VLV_PLL_DW3(ch), tmp);
tmp |= DPIO_ENABLE_CALIBRATION;
- vlv_dpio_write(dev_priv, phy, VLV_PLL_DW3(ch), tmp);
+ vlv_dpio_write(display->drm, phy, VLV_PLL_DW3(ch), tmp);
/* Set HBR and RBR LPF coefficients */
if (crtc_state->port_clock == 162000 ||
intel_crtc_has_type(crtc_state, INTEL_OUTPUT_ANALOG) ||
intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
- vlv_dpio_write(dev_priv, phy, VLV_PLL_DW18(ch),
- 0x009f0003);
+ vlv_dpio_write(display->drm, phy, VLV_PLL_DW18(ch), 0x009f0003);
else
- vlv_dpio_write(dev_priv, phy, VLV_PLL_DW18(ch),
- 0x00d0000f);
+ vlv_dpio_write(display->drm, phy, VLV_PLL_DW18(ch), 0x00d0000f);
if (intel_crtc_has_dp_encoder(crtc_state)) {
/* Use SSC source */
if (pipe == PIPE_A)
- vlv_dpio_write(dev_priv, phy, VLV_PLL_DW5(ch),
- 0x0df40000);
+ vlv_dpio_write(display->drm, phy, VLV_PLL_DW5(ch), 0x0df40000);
else
- vlv_dpio_write(dev_priv, phy, VLV_PLL_DW5(ch),
- 0x0df70000);
+ vlv_dpio_write(display->drm, phy, VLV_PLL_DW5(ch), 0x0df70000);
} else { /* HDMI or VGA */
/* Use bend source */
if (pipe == PIPE_A)
- vlv_dpio_write(dev_priv, phy, VLV_PLL_DW5(ch),
- 0x0df70000);
+ vlv_dpio_write(display->drm, phy, VLV_PLL_DW5(ch), 0x0df70000);
else
- vlv_dpio_write(dev_priv, phy, VLV_PLL_DW5(ch),
- 0x0df40000);
+ vlv_dpio_write(display->drm, phy, VLV_PLL_DW5(ch), 0x0df40000);
}
- coreclk = vlv_dpio_read(dev_priv, phy, VLV_PLL_DW7(ch));
+ coreclk = vlv_dpio_read(display->drm, phy, VLV_PLL_DW7(ch));
coreclk = (coreclk & 0x0000ff00) | 0x01c00000;
if (intel_crtc_has_dp_encoder(crtc_state))
coreclk |= 0x01000000;
- vlv_dpio_write(dev_priv, phy, VLV_PLL_DW7(ch), coreclk);
+ vlv_dpio_write(display->drm, phy, VLV_PLL_DW7(ch), coreclk);
- vlv_dpio_write(dev_priv, phy, VLV_PLL_DW19(ch), 0x87871000);
+ vlv_dpio_write(display->drm, phy, VLV_PLL_DW19(ch), 0x87871000);
- vlv_dpio_put(dev_priv);
+ vlv_dpio_put(display->drm);
}
static void _vlv_enable_pll(const struct intel_crtc_state *crtc_state)
@@ -2028,8 +2021,8 @@ void vlv_enable_pll(const struct intel_crtc_state *crtc_state)
static void chv_prepare_pll(const struct intel_crtc_state *crtc_state)
{
+ struct intel_display *display = to_intel_display(crtc_state);
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
- struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
const struct dpll *clock = &crtc_state->dpll;
enum dpio_channel ch = vlv_pipe_to_channel(crtc->pipe);
enum dpio_phy phy = vlv_pipe_to_phy(crtc->pipe);
@@ -2038,44 +2031,44 @@ static void chv_prepare_pll(const struct intel_crtc_state *crtc_state)
m2_frac = clock->m2 & 0x3fffff;
- vlv_dpio_get(dev_priv);
+ vlv_dpio_get(display->drm);
/* p1 and p2 divider */
- vlv_dpio_write(dev_priv, phy, CHV_CMN_DW13(ch),
+ vlv_dpio_write(display->drm, phy, CHV_CMN_DW13(ch),
DPIO_CHV_S1_DIV(5) |
DPIO_CHV_P1_DIV(clock->p1) |
DPIO_CHV_P2_DIV(clock->p2) |
DPIO_CHV_K_DIV(1));
/* Feedback post-divider - m2 */
- vlv_dpio_write(dev_priv, phy, CHV_PLL_DW0(ch),
+ vlv_dpio_write(display->drm, phy, CHV_PLL_DW0(ch),
DPIO_CHV_M2_DIV(clock->m2 >> 22));
/* Feedback refclk divider - n and m1 */
- vlv_dpio_write(dev_priv, phy, CHV_PLL_DW1(ch),
+ vlv_dpio_write(display->drm, phy, CHV_PLL_DW1(ch),
DPIO_CHV_M1_DIV(DPIO_CHV_M1_DIV_BY_2) |
DPIO_CHV_N_DIV(1));
/* M2 fraction division */
- vlv_dpio_write(dev_priv, phy, CHV_PLL_DW2(ch),
+ vlv_dpio_write(display->drm, phy, CHV_PLL_DW2(ch),
DPIO_CHV_M2_FRAC_DIV(m2_frac));
/* M2 fraction division enable */
- tmp = vlv_dpio_read(dev_priv, phy, CHV_PLL_DW3(ch));
+ tmp = vlv_dpio_read(display->drm, phy, CHV_PLL_DW3(ch));
tmp &= ~(DPIO_CHV_FEEDFWD_GAIN_MASK | DPIO_CHV_FRAC_DIV_EN);
tmp |= DPIO_CHV_FEEDFWD_GAIN(2);
if (m2_frac)
tmp |= DPIO_CHV_FRAC_DIV_EN;
- vlv_dpio_write(dev_priv, phy, CHV_PLL_DW3(ch), tmp);
+ vlv_dpio_write(display->drm, phy, CHV_PLL_DW3(ch), tmp);
/* Program digital lock detect threshold */
- tmp = vlv_dpio_read(dev_priv, phy, CHV_PLL_DW9(ch));
+ tmp = vlv_dpio_read(display->drm, phy, CHV_PLL_DW9(ch));
tmp &= ~(DPIO_CHV_INT_LOCK_THRESHOLD_MASK |
DPIO_CHV_INT_LOCK_THRESHOLD_SEL_COARSE);
tmp |= DPIO_CHV_INT_LOCK_THRESHOLD(0x5);
if (!m2_frac)
tmp |= DPIO_CHV_INT_LOCK_THRESHOLD_SEL_COARSE;
- vlv_dpio_write(dev_priv, phy, CHV_PLL_DW9(ch), tmp);
+ vlv_dpio_write(display->drm, phy, CHV_PLL_DW9(ch), tmp);
/* Loop filter */
if (clock->vco == 5400000) {
@@ -2100,40 +2093,39 @@ static void chv_prepare_pll(const struct intel_crtc_state *crtc_state)
DPIO_CHV_GAIN_CTRL(0x3);
tribuf_calcntr = 0;
}
- vlv_dpio_write(dev_priv, phy, CHV_PLL_DW6(ch), loopfilter);
+ vlv_dpio_write(display->drm, phy, CHV_PLL_DW6(ch), loopfilter);
- tmp = vlv_dpio_read(dev_priv, phy, CHV_PLL_DW8(ch));
+ tmp = vlv_dpio_read(display->drm, phy, CHV_PLL_DW8(ch));
tmp &= ~DPIO_CHV_TDC_TARGET_CNT_MASK;
tmp |= DPIO_CHV_TDC_TARGET_CNT(tribuf_calcntr);
- vlv_dpio_write(dev_priv, phy, CHV_PLL_DW8(ch), tmp);
+ vlv_dpio_write(display->drm, phy, CHV_PLL_DW8(ch), tmp);
/* AFC Recal */
- vlv_dpio_write(dev_priv, phy, CHV_CMN_DW14(ch),
- vlv_dpio_read(dev_priv, phy, CHV_CMN_DW14(ch)) |
+ vlv_dpio_write(display->drm, phy, CHV_CMN_DW14(ch),
+ vlv_dpio_read(display->drm, phy, CHV_CMN_DW14(ch)) |
DPIO_AFC_RECAL);
- vlv_dpio_put(dev_priv);
+ vlv_dpio_put(display->drm);
}
static void _chv_enable_pll(const struct intel_crtc_state *crtc_state)
{
struct intel_display *display = to_intel_display(crtc_state);
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
- struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
const struct i9xx_dpll_hw_state *hw_state = &crtc_state->dpll_hw_state.i9xx;
enum dpio_channel ch = vlv_pipe_to_channel(crtc->pipe);
enum dpio_phy phy = vlv_pipe_to_phy(crtc->pipe);
enum pipe pipe = crtc->pipe;
u32 tmp;
- vlv_dpio_get(dev_priv);
+ vlv_dpio_get(display->drm);
/* Enable back the 10bit clock to display controller */
- tmp = vlv_dpio_read(dev_priv, phy, CHV_CMN_DW14(ch));
+ tmp = vlv_dpio_read(display->drm, phy, CHV_CMN_DW14(ch));
tmp |= DPIO_DCLKP_EN;
- vlv_dpio_write(dev_priv, phy, CHV_CMN_DW14(ch), tmp);
+ vlv_dpio_write(display->drm, phy, CHV_CMN_DW14(ch), tmp);
- vlv_dpio_put(dev_priv);
+ vlv_dpio_put(display->drm);
/*
* Need to wait > 100ns between dclkp clock enable bit and PLL enable.
@@ -2252,7 +2244,6 @@ void vlv_disable_pll(struct intel_display *display, enum pipe pipe)
void chv_disable_pll(struct intel_display *display, enum pipe pipe)
{
- struct drm_i915_private *dev_priv = to_i915(display->drm);
enum dpio_channel ch = vlv_pipe_to_channel(pipe);
enum dpio_phy phy = vlv_pipe_to_phy(pipe);
u32 val;
@@ -2268,14 +2259,14 @@ void chv_disable_pll(struct intel_display *display, enum pipe pipe)
intel_de_write(display, DPLL(display, pipe), val);
intel_de_posting_read(display, DPLL(display, pipe));
- vlv_dpio_get(dev_priv);
+ vlv_dpio_get(display->drm);
/* Disable 10bit clock to display controller */
- val = vlv_dpio_read(dev_priv, phy, CHV_CMN_DW14(ch));
+ val = vlv_dpio_read(display->drm, phy, CHV_CMN_DW14(ch));
val &= ~DPIO_DCLKP_EN;
- vlv_dpio_write(dev_priv, phy, CHV_CMN_DW14(ch), val);
+ vlv_dpio_write(display->drm, phy, CHV_CMN_DW14(ch), val);
- vlv_dpio_put(dev_priv);
+ vlv_dpio_put(display->drm);
}
void i9xx_disable_pll(const struct intel_crtc_state *crtc_state)
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-10 06:59:24 +0000