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drm/i915: Convert intel_dpll_dump_hw_state() to drm_printer

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Utilize drm_printer in pipe_config_pll_mismatch() to avoid
a bit of code duplication.

To achieve this we need to plumb the printer all way to the
dpll_mgr .dump_hw_state() functions. Those are also used by
intel_crtc_state_dump() which needs to be adjusted as well.

v2: Convert a few misplaecd drm_dbg_kms() calls (Rodrigo)
    Drop the redundant drm_debug_enabled() check here
    instead of later (Jani)

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240229184049.31165-1-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2024-02-29 20:40:49 +02:00
parent d449f04716
commit 1fd146bcdf
4 changed files with 66 additions and 74 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/drm/i915/display/intel_crtc_state_dump.c
View File

@ -205,9 +205,12 @@ void intel_crtc_state_dump(const struct intel_crtc_state *pipe_config,
struct drm_i915_private *i915 = to_i915(crtc->base.dev);
const struct intel_plane_state *plane_state;
struct intel_plane *plane;
struct drm_printer p;
char buf[64];
int i;
p = drm_dbg_printer(&i915->drm, DRM_UT_KMS, NULL);
drm_dbg_kms(&i915->drm, "[CRTC:%d:%s] enable: %s [%s]\n",
crtc->base.base.id, crtc->base.name,
str_yes_no(pipe_config->hw.enable), context);
@ -356,7 +359,7 @@ void intel_crtc_state_dump(const struct intel_crtc_state *pipe_config,
pipe_config->ips_enabled, pipe_config->double_wide,
pipe_config->has_drrs);
intel_dpll_dump_hw_state(i915, &pipe_config->dpll_hw_state);
intel_dpll_dump_hw_state(i915, &p, &pipe_config->dpll_hw_state);
if (IS_CHERRYVIEW(i915))
drm_dbg_kms(&i915->drm,

28
drivers/gpu/drm/i915/display/intel_display.c
View File

@ -4937,26 +4937,24 @@ pipe_config_pll_mismatch(bool fastset,
const struct intel_dpll_hw_state *b)
{
struct drm_i915_private *i915 = to_i915(crtc->base.dev);
struct drm_printer p;
if (fastset) {
if (!drm_debug_enabled(DRM_UT_KMS))
return;
p = drm_dbg_printer(&i915->drm, DRM_UT_KMS, NULL);
drm_dbg_kms(&i915->drm,
"[CRTC:%d:%s] fastset requirement not met in %s\n",
crtc->base.base.id, crtc->base.name, name);
drm_dbg_kms(&i915->drm, "expected:\n");
intel_dpll_dump_hw_state(i915, a);
drm_dbg_kms(&i915->drm, "found:\n");
intel_dpll_dump_hw_state(i915, b);
drm_printf(&p, "[CRTC:%d:%s] fastset requirement not met in %s\n",
crtc->base.base.id, crtc->base.name, name);
} else {
drm_err(&i915->drm, "[CRTC:%d:%s] mismatch in %s buffer\n",
crtc->base.base.id, crtc->base.name, name);
drm_err(&i915->drm, "expected:\n");
intel_dpll_dump_hw_state(i915, a);
drm_err(&i915->drm, "found:\n");
intel_dpll_dump_hw_state(i915, b);
p = drm_err_printer(&i915->drm, NULL);
drm_printf(&p, "[CRTC:%d:%s] mismatch in %s\n",
crtc->base.base.id, crtc->base.name, name);
}
drm_printf(&p, "expected:\n");
intel_dpll_dump_hw_state(i915, &p, a);
drm_printf(&p, "found:\n");
intel_dpll_dump_hw_state(i915, &p, b);
}
bool

105
drivers/gpu/drm/i915/display/intel_dpll_mgr.c
View File

@ -107,7 +107,7 @@ struct intel_dpll_mgr {
struct intel_crtc *crtc,
struct intel_encoder *encoder);
void (*update_ref_clks)(struct drm_i915_private *i915);
void (*dump_hw_state)(struct drm_i915_private *i915,
void (*dump_hw_state)(struct drm_printer *p,
const struct intel_dpll_hw_state *hw_state);
bool (*compare_hw_state)(const struct intel_dpll_hw_state *a,
const struct intel_dpll_hw_state *b);
@ -634,16 +634,15 @@ static int ibx_get_dpll(struct intel_atomic_state *state,
return 0;
}
static void ibx_dump_hw_state(struct drm_i915_private *i915,
static void ibx_dump_hw_state(struct drm_printer *p,
const struct intel_dpll_hw_state *hw_state)
{
drm_dbg_kms(&i915->drm,
"dpll_hw_state: dpll: 0x%x, dpll_md: 0x%x, "
"fp0: 0x%x, fp1: 0x%x\n",
hw_state->dpll,
hw_state->dpll_md,
hw_state->fp0,
hw_state->fp1);
drm_printf(p, "dpll_hw_state: dpll: 0x%x, dpll_md: 0x%x, "
"fp0: 0x%x, fp1: 0x%x\n",
hw_state->dpll,
hw_state->dpll_md,
hw_state->fp0,
hw_state->fp1);
}
static bool ibx_compare_hw_state(const struct intel_dpll_hw_state *a,
@ -1225,11 +1224,11 @@ static void hsw_update_dpll_ref_clks(struct drm_i915_private *i915)
i915->display.dpll.ref_clks.nssc = 135000;
}
static void hsw_dump_hw_state(struct drm_i915_private *i915,
static void hsw_dump_hw_state(struct drm_printer *p,
const struct intel_dpll_hw_state *hw_state)
{
drm_dbg_kms(&i915->drm, "dpll_hw_state: wrpll: 0x%x spll: 0x%x\n",
hw_state->wrpll, hw_state->spll);
drm_printf(p, "dpll_hw_state: wrpll: 0x%x spll: 0x%x\n",
hw_state->wrpll, hw_state->spll);
}
static bool hsw_compare_hw_state(const struct intel_dpll_hw_state *a,
@ -1939,14 +1938,11 @@ static void skl_update_dpll_ref_clks(struct drm_i915_private *i915)
i915->display.dpll.ref_clks.nssc = i915->display.cdclk.hw.ref;
}
static void skl_dump_hw_state(struct drm_i915_private *i915,
static void skl_dump_hw_state(struct drm_printer *p,
const struct intel_dpll_hw_state *hw_state)
{
drm_dbg_kms(&i915->drm, "dpll_hw_state: "
"ctrl1: 0x%x, cfgcr1: 0x%x, cfgcr2: 0x%x\n",
hw_state->ctrl1,
hw_state->cfgcr1,
hw_state->cfgcr2);
drm_printf(p, "dpll_hw_state: ctrl1: 0x%x, cfgcr1: 0x%x, cfgcr2: 0x%x\n",
hw_state->ctrl1, hw_state->cfgcr1, hw_state->cfgcr2);
}
static bool skl_compare_hw_state(const struct intel_dpll_hw_state *a,
@ -2402,23 +2398,16 @@ static void bxt_update_dpll_ref_clks(struct drm_i915_private *i915)
/* DSI non-SSC ref 19.2MHz */
}
static void bxt_dump_hw_state(struct drm_i915_private *i915,
static void bxt_dump_hw_state(struct drm_printer *p,
const struct intel_dpll_hw_state *hw_state)
{
drm_dbg_kms(&i915->drm, "dpll_hw_state: ebb0: 0x%x, ebb4: 0x%x,"
"pll0: 0x%x, pll1: 0x%x, pll2: 0x%x, pll3: 0x%x, "
"pll6: 0x%x, pll8: 0x%x, pll9: 0x%x, pll10: 0x%x, pcsdw12: 0x%x\n",
hw_state->ebb0,
hw_state->ebb4,
hw_state->pll0,
hw_state->pll1,
hw_state->pll2,
hw_state->pll3,
hw_state->pll6,
hw_state->pll8,
hw_state->pll9,
hw_state->pll10,
hw_state->pcsdw12);
drm_printf(p, "dpll_hw_state: ebb0: 0x%x, ebb4: 0x%x,"
"pll0: 0x%x, pll1: 0x%x, pll2: 0x%x, pll3: 0x%x, "
"pll6: 0x%x, pll8: 0x%x, pll9: 0x%x, pll10: 0x%x, pcsdw12: 0x%x\n",
hw_state->ebb0, hw_state->ebb4,
hw_state->pll0, hw_state->pll1, hw_state->pll2, hw_state->pll3,
hw_state->pll6, hw_state->pll8, hw_state->pll9, hw_state->pll10,
hw_state->pcsdw12);
}
static bool bxt_compare_hw_state(const struct intel_dpll_hw_state *a,
@ -4026,28 +4015,26 @@ static void icl_update_dpll_ref_clks(struct drm_i915_private *i915)
i915->display.dpll.ref_clks.nssc = i915->display.cdclk.hw.ref;
}
static void icl_dump_hw_state(struct drm_i915_private *i915,
static void icl_dump_hw_state(struct drm_printer *p,
const struct intel_dpll_hw_state *hw_state)
{
drm_dbg_kms(&i915->drm,
"dpll_hw_state: cfgcr0: 0x%x, cfgcr1: 0x%x, div0: 0x%x, "
"mg_refclkin_ctl: 0x%x, hg_clktop2_coreclkctl1: 0x%x, "
"mg_clktop2_hsclkctl: 0x%x, mg_pll_div0: 0x%x, "
"mg_pll_div2: 0x%x, mg_pll_lf: 0x%x, "
"mg_pll_frac_lock: 0x%x, mg_pll_ssc: 0x%x, "
"mg_pll_bias: 0x%x, mg_pll_tdc_coldst_bias: 0x%x\n",
hw_state->cfgcr0, hw_state->cfgcr1,
hw_state->div0,
hw_state->mg_refclkin_ctl,
hw_state->mg_clktop2_coreclkctl1,
hw_state->mg_clktop2_hsclkctl,
hw_state->mg_pll_div0,
hw_state->mg_pll_div1,
hw_state->mg_pll_lf,
hw_state->mg_pll_frac_lock,
hw_state->mg_pll_ssc,
hw_state->mg_pll_bias,
hw_state->mg_pll_tdc_coldst_bias);
drm_printf(p, "dpll_hw_state: cfgcr0: 0x%x, cfgcr1: 0x%x, div0: 0x%x, "
"mg_refclkin_ctl: 0x%x, hg_clktop2_coreclkctl1: 0x%x, "
"mg_clktop2_hsclkctl: 0x%x, mg_pll_div0: 0x%x, "
"mg_pll_div2: 0x%x, mg_pll_lf: 0x%x, "
"mg_pll_frac_lock: 0x%x, mg_pll_ssc: 0x%x, "
"mg_pll_bias: 0x%x, mg_pll_tdc_coldst_bias: 0x%x\n",
hw_state->cfgcr0, hw_state->cfgcr1, hw_state->div0,
hw_state->mg_refclkin_ctl,
hw_state->mg_clktop2_coreclkctl1,
hw_state->mg_clktop2_hsclkctl,
hw_state->mg_pll_div0,
hw_state->mg_pll_div1,
hw_state->mg_pll_lf,
hw_state->mg_pll_frac_lock,
hw_state->mg_pll_ssc,
hw_state->mg_pll_bias,
hw_state->mg_pll_tdc_coldst_bias);
}
static bool icl_compare_hw_state(const struct intel_dpll_hw_state *a,
@ -4514,22 +4501,24 @@ void intel_dpll_sanitize_state(struct drm_i915_private *i915)
}
/**
* intel_dpll_dump_hw_state - write hw_state to dmesg
* intel_dpll_dump_hw_state - dump hw_state
* @i915: i915 drm device
* @hw_state: hw state to be written to the log
* @p: where to print the state to
* @hw_state: hw state to be dumped
*
* Write the relevant values in @hw_state to dmesg using drm_dbg_kms.
* Dumo out the relevant values in @hw_state.
*/
void intel_dpll_dump_hw_state(struct drm_i915_private *i915,
struct drm_printer *p,
const struct intel_dpll_hw_state *hw_state)
{
if (i915->display.dpll.mgr) {
i915->display.dpll.mgr->dump_hw_state(i915, hw_state);
i915->display.dpll.mgr->dump_hw_state(p, hw_state);
} else {
/* fallback for platforms that don't use the shared dpll
* infrastructure
*/
ibx_dump_hw_state(i915, hw_state);
ibx_dump_hw_state(p, hw_state);
}
}

2
drivers/gpu/drm/i915/display/intel_dpll_mgr.h
View File

@ -36,6 +36,7 @@
enum tc_port;
struct drm_i915_private;
struct drm_printer;
struct intel_atomic_state;
struct intel_crtc;
struct intel_crtc_state;
@ -377,6 +378,7 @@ void intel_dpll_readout_hw_state(struct drm_i915_private *i915);
void intel_dpll_sanitize_state(struct drm_i915_private *i915);
void intel_dpll_dump_hw_state(struct drm_i915_private *i915,
struct drm_printer *p,
const struct intel_dpll_hw_state *hw_state);
bool intel_dpll_compare_hw_state(struct drm_i915_private *i915,
const struct intel_dpll_hw_state *a,