On 2019-07-12 at 18:09:39 -0700, Lucas De Marchi wrote:
> From: José Roberto de Souza <jose.souza@xxxxxxxxx>
>
> Tiger Lask has a new register offset for DC5 and DC6 residency counters.
>
> Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
> Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_debugfs.c | 21 +++++++++++++--------
> drivers/gpu/drm/i915/i915_reg.h | 2 ++
> 2 files changed, 15 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index a1843e3de6d7..4b12b5588dd6 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -2465,6 +2465,7 @@ static int i915_dmc_info(struct seq_file *m, void *unused)
> struct drm_i915_private *dev_priv = node_to_i915(m->private);
> intel_wakeref_t wakeref;
> struct intel_csr *csr;
> + i915_reg_t dc5_reg, dc6_reg = {};
>
> if (!HAS_CSR(dev_priv))
> return -ENODEV;
> @@ -2482,15 +2483,19 @@ static int i915_dmc_info(struct seq_file *m, void *unused)
> seq_printf(m, "version: %d.%d\n", CSR_VERSION_MAJOR(csr->version),
> CSR_VERSION_MINOR(csr->version));
>
> - if (WARN_ON(INTEL_GEN(dev_priv) > 11))
> - goto out;
> + if (INTEL_GEN(dev_priv) >= 12) {
> + dc5_reg = TGL_CSR_DC5_RES_COUNT;
> + dc6_reg = TGL_CSR_DC6_RES_COUNT;
> + } else {
> + dc5_reg = IS_BROXTON(dev_priv) ? BXT_CSR_DC3_DC5_COUNT :
> + SKL_CSR_DC3_DC5_COUNT;
> + if (!IS_GEN9_LP(dev_priv))
> + dc6_reg = SKL_CSR_DC5_DC6_COUNT;
> + }
>
> - seq_printf(m, "DC3 -> DC5 count: %d\n",
> - I915_READ(IS_BROXTON(dev_priv) ? BXT_CSR_DC3_DC5_COUNT :
> - SKL_CSR_DC3_DC5_COUNT));
> - if (!IS_GEN9_LP(dev_priv))
> - seq_printf(m, "DC5 -> DC6 count: %d\n",
> - I915_READ(SKL_CSR_DC5_DC6_COUNT));
> + seq_printf(m, "DC3 -> DC5 count: %d\n", I915_READ(dc5_reg));
> + if (dc6_reg.reg)
> + seq_printf(m, "DC5 -> DC6 count: %d\n", I915_READ(dc6_reg));
>
> out:
> seq_printf(m, "program base: 0x%08x\n", I915_READ(CSR_PROGRAM(0)));
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 6cfcdf6bb1bb..5e3434cdd1e8 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -7269,6 +7269,8 @@ enum {
> #define SKL_CSR_DC3_DC5_COUNT _MMIO(0x80030)
> #define SKL_CSR_DC5_DC6_COUNT _MMIO(0x8002C)
> #define BXT_CSR_DC3_DC5_COUNT _MMIO(0x80038)
> +#define TGL_CSR_DC5_RES_COUNT _MMIO(0x101084)
> +#define TGL_CSR_DC6_RES_COUNT _MMIO(0x101088)
CSR memory ranges from 0x80000 till 0x8ffff
These DMC_DEBUG regisers are not are not CSR register.
It would make sense to rename the macro.
>
> /* interrupts */
> #define DE_MASTER_IRQ_CONTROL (1 << 31)
> --
> 2.21.0
>
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