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Ruhl" , Andi Shyti , linux-kernel@vger.kernel.org Cc: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , Jani Nikula Subject: [PATCH v4 06/11] drm/i915/gt: Use pci_rebar_size_supported() Date: Thu, 13 Nov 2025 20:00:48 +0200 Message-Id: <20251113180053.27944-7-ilpo.jarvinen@linux.intel.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20251113180053.27944-1-ilpo.jarvinen@linux.intel.com> References: <20251113180053.27944-1-ilpo.jarvinen@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable PCI core provides pci_rebar_size_supported() that helps in checking if an encoded BAR Size is supported for the BAR or not. Use it in i915_resize_lmem_bar() to simplify code. Signed-off-by: Ilpo J=C3=A4rvinen Reviewed-by: Jani Nikula Reviewed-by: Andi Shyti Acked-by: Christian K=C3=B6nig Acked-by: Jani Nikula --- drivers/gpu/drm/i915/gt/intel_region_lmem.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_region_lmem.c b/drivers/gpu/drm/= i915/gt/intel_region_lmem.c index c37a0560ebe0..15e83ce00eff 100644 --- a/drivers/gpu/drm/i915/gt/intel_region_lmem.c +++ b/drivers/gpu/drm/i915/gt/intel_region_lmem.c @@ -49,16 +49,12 @@ static void i915_resize_lmem_bar(struct drm_i915_privat= e *i915, resource_size_t current_size =3D roundup_pow_of_two(pci_resource_len(pdev, GEN12_LMEM_BAR= )); =20 if (i915->params.lmem_bar_size) { - u32 bar_sizes; - - rebar_size =3D i915->params.lmem_bar_size * - (resource_size_t)SZ_1M; - bar_sizes =3D pci_rebar_get_possible_sizes(pdev, GEN12_LMEM_BAR); - + rebar_size =3D i915->params.lmem_bar_size * (resource_size_t)SZ_1M; if (rebar_size =3D=3D current_size) return; =20 - if (!(bar_sizes & BIT(pci_rebar_bytes_to_size(rebar_size))) || + if (!pci_rebar_size_supported(pdev, GEN12_LMEM_BAR, + pci_rebar_bytes_to_size(rebar_size)) || rebar_size >=3D roundup_pow_of_two(lmem_size)) { rebar_size =3D lmem_size; =20 --=20 2.39.5