On Fri, 2020-07-24 at 14:39 -0700, Lucas De Marchi wrote:
> From: Anshuman Gupta <
> anshuman.gupta@xxxxxxxxx
> >
>
> DGFX devices have different DMC_DEBUG* counter MMIO address
> offset. Incorporate these changes in i915_reg.h for DG1 DC5/DC6
> counter and handle i915_dmc_info accordingly.
>
> Cc: Uma Shankar <
> uma.shankar@xxxxxxxxx
> >
> Signed-off-by: Anshuman Gupta <
> anshuman.gupta@xxxxxxxxx
> >
> Signed-off-by: Lucas De Marchi <
> lucas.demarchi@xxxxxxxxx
> >
> ---
> drivers/gpu/drm/i915/display/intel_display_debugfs.c | 9 +++++++--
> drivers/gpu/drm/i915/i915_reg.h | 2 ++
> 2 files changed, 9 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> index 3644752cc5ec..e3536edcb394 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> @@ -515,8 +515,13 @@ static int i915_dmc_info(struct seq_file *m, void *unused)
> CSR_VERSION_MINOR(csr->version));
>
> if (INTEL_GEN(dev_priv) >= 12) {
> - dc5_reg = TGL_DMC_DEBUG_DC5_COUNT;
> - dc6_reg = TGL_DMC_DEBUG_DC6_COUNT;
> + if (IS_DG1(dev_priv)) {
> + dc5_reg = DG1_DMC_DEBUG_DC5_COUNT;
> + } else {
> + dc5_reg = TGL_DMC_DEBUG_DC5_COUNT;
> + dc6_reg = TGL_DMC_DEBUG_DC6_COUNT;
> + }
> +
> /*
> * NOTE: DMC_DEBUG3 is a general purpose reg.
> * According to B.Specs:49196 DMC f/w reuses DC5/6 counter
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 4e95312eba24..78bdce67da08 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -7549,6 +7549,8 @@ enum {
> #define BXT_CSR_DC3_DC5_COUNT _MMIO(0x80038)
> #define TGL_DMC_DEBUG_DC5_COUNT _MMIO(0x101084)
> #define TGL_DMC_DEBUG_DC6_COUNT _MMIO(0x101088)
> +#define DG1_DMC_DEBUG_DC5_COUNT _MMIO(0x134154)
> +#define DG1_DMC_DEBUG_DC6_COUNT _MMIO(0x134158)
DG1_DMC_DEBUG_DC6_COUNT is not used as DG1 do not support DC6.
Removing it:
Reviewed-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
>
> #define DMC_DEBUG3 _MMIO(0x101090)
>
>
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